Rony

Android malware silentclient.apk silentservice of root phones (rooted)

2013-06-10T00:29:00.001+08:00

threat keywords:

silentservice
silentclient.apk
Log
LogicDownloads
datang_gaoyang
低聲下載
靜默渠道
com.android.as
山寨手機

(remove) system app apk:

- Android 更新 4.1 (system apk)
- SystemThreads (system apk)

path (/sdcard):

/storage/sdcard0/datang_gaoyang/SilentClient.apk
/storage/sdcard0/Log/app_service/*.txt
/storage/sdcard0/LogicDownloads/*/*.apk

Below are fixes at your sole own risks

If not rooted (手機沒 root)
1a) rename path /sdcard/datang_gaoyang to /sdcard/datang_gaoyang.bak
1b) create an empty file /sdcard/datang_gaoyang
2a) rename path /sdcard/Log/app_service to /sdcard/Log/app_service.bak
2b) create an empty file /sdcard/Log//app_service
3a) rename path /sdcard/LogicDownloads to /sdcard/LogicDownloads.bak
3b) create an empty file /sdcard/LogicDownloads
4) reboot

(PS. the /sdcard/Log/app_service/* will keep logging, because the malwares are running, but bugged to download, and will still submitting your IMEI, etc.)

If rooted (手機已 root)

remove the above 2 systems apps
perform above 1a, 2a, 3a to cleanup
reboot

Good luck.

Problematic apks backup for examination:

SystemThread_3.0.apk http://goo.gl/08uOp
Android更新_4.1.apk http://goo.gl/Ouljj

to be updated ~

Google Crisis Response - 2011 Sendai 日本仙台8.9級地震

2011-03-12T12:58:00.005+08:00

http://www.google.co.jp/intl/ja/crisisresponse/japanquake2011.html

災害情報地圖
http://mw1.google.com/crisisresponse/2011/sendai_earthquake/google/map/sendai_earthquake_2011.html

Google Crisis Response - a google.org project
http://www.google.com/crisisresponse/

Google simplifies the keyboard layout

2011-01-10T16:59:00.010+08:00

Good-Bye: Windows-key, Windows-Menu-key
Good-Bye: Insert, Delete, Home, End, PgUp, PgDn
Good-Bye: F1 to F12

Add: Power button (too near to the Backspace key?)
Add: Speaker and brightless buttons
Add: forward/backward buttons

Replace: CapsLock -> Search

I like the bigger Ctrl and Alt keys, I *never* want or need the Windows Super_L and Super_R.

Here I have some new todos: change shortcut keys for awesome, openbox, vim, vimperator, and tmux.conf

Script to generate script, takes care of read permission with sudo

2010-12-25T00:47:00.003+08:00

Instead of edit checking afterwards a manual typed script, write a prove script to generate later on scripts.

System change, the script will change while if it can.

Build machine(s) to reproduce machines :)

put it into for example ~/.bashrc will generate a file for afterwards sourc-ing.

程式產生程式，以腳本產生腳本，
程式跟隨系統改變自行更新。

1995 September PC Parts Prices (Historical)

2010-11-29T22:48:00.002+08:00

整理舊文件時，找回一份 1995 年的電腦部件報價單。

486 VL 大概是 486 Vesa Local Bus
NE2000 是 10/100 Ethernet NIC
SVGA 顯卡 HK$620 !
DX80 大概是 486DX 80 MHz
DX100 大概是 486DX 100 MHz

Conner 425 大概是 Hard Disk Drive
現在竟然有價 100+ euro (November 03, 2010, 08:01:02 PM)
http://forum.avast.com/index.php?topic=65825.0

convert avi to webm

2010-11-21T22:06:00.003+08:00

$ time mencoder -ovc lavc -oac lavc -of lavf -lavfopts format=webm -lavcopts acodec=vorbis:vcodec=libvpx -ffourcc VP80 test.avi -o test.webm

MEncoder SVN-r32624-4.5.1 (C) 2000-2010 MPlayer Team
success: format: 0  data: 0x0 - 0xb3d3c4
AVI file format detected.
[aviheader] Video stream found, -vid 0
[aviheader] Audio stream found, -aid 1
VIDEO:  [DIVX]  320x240  24bpp  18.000 fps  360.6 kbps (44.0 kbyte/s)
[V] filefmt:3  fourcc:0x58564944  size:320x240  fps:18.000  ftime:=0.0556
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 22050 Hz, 2 ch, s16le, 64.0 kbit/9.07% (ratio: 8000->88200)
Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
** MUXER_LAVF *****************************************************************
REMEMBER: MEncoder's libavformat muxing is presently broken and can generate
INCORRECT files in the presence of B-frames. Moreover, due to bugs MPlayer
will play these INCORRECT files as if nothing were wrong!
*******************************************************************************
OK, exit.
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffodivx] vfm: ffmpeg (FFmpeg MPEG-4)
==========================================================================
Forcing output FourCC to 30385056 [VP80].
Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
videocodec: libavcodec (320x240 fourcc=30385056 [VP80])
[libvpx @ 0xaa99e0]v0.9.5
VIDEO CODEC ID: 146
AUDIO CODEC ID: 15005, TAG: 0
Writing header...
[webm @ 0xa3bde0]Codec for stream 0 does not use global headers but container format requires global headers
[webm @ 0xa3bde0]Codec for stream 1 does not use global headers but container format requires global headers
Pos: 216.3s   3893f (100%) 37.51fps Trem:   0min  20mb  A-V:0.051 [783:8]

Flushing video frames.
Writing index...

Video stream:  783.501 kbit/s  (97937 B/s)  size: 21181737 bytes  216.278 secs  3893 frames

Audio stream:    8.585 kbit/s  (1073 B/s)  size: 232083 bytes  216.271 secs

real 1m44.368s
user 1m43.459s
sys 0m0.144s

$ mplayer test.webm

MPlayer SVN-r32624-4.5.1 (C) 2000-2010 MPlayer Team

Playing test.webm.
libavformat file format detected.
[matroska,webm @ 0x1ae17c0] Estimating duration from bitrate, this may be inaccurate
[lavf] stream 0: video (vp8), -vid 0
[lavf] stream 1: audio (vorbis), -aid 0
VIDEO:  [VP80]  320x240  0bpp  18.000 fps    0.0 kbps ( 0.0 kbyte/s)
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffvp8] vfm: ffmpeg (FFmpeg VP8)
==========================================================================
==========================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
AUDIO: 22050 Hz, 2 ch, s16le, 0.0 kbit/0.00% (ratio: 0->88200)
Selected audio codec: [ffvorbis] afm: ffmpeg (FFmpeg Vorbis)
==========================================================================
AO: [null] 22050Hz 2ch s16le (2 bytes per sample)
Starting playback...
Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
VO: [xv] 320x240 => 320x240 Planar YV12 
A:   6.4 V:   6.4 A-V: -0.000 ct:  0.046   0/  0  6%  0%  0.3% 0 0

$ ls -la test.*

-rw-r--r-- 1 user user 11785156 Aug 21  2009 test.avi
-rw-r--r-- 1 user user 21474219 Nov 21 21:50 test.webm

$ midentify test.avi

ID_VIDEO_ID=0
ID_AUDIO_ID=1
ID_CLIP_INFO_NAME0=Software
ID_CLIP_INFO_VALUE0=MEncoder\ SVN-r29214\(20090422-gcc4.3.3\)
ID_CLIP_INFO_N=1
ID_FILENAME=test.avi
ID_DEMUXER=avi
ID_VIDEO_FORMAT=DIVX
ID_VIDEO_BITRATE=360608
ID_VIDEO_WIDTH=320
ID_VIDEO_HEIGHT=240
ID_VIDEO_FPS=18.000
ID_VIDEO_ASPECT=0.0000
ID_AUDIO_FORMAT=85
ID_AUDIO_BITRATE=64000
ID_AUDIO_RATE=0
ID_AUDIO_NCH=0
ID_START_TIME=0.00
ID_LENGTH=216.28
ID_SEEKABLE=1
ID_CHAPTERS=0
ID_VIDEO_CODEC=ffodivx
ID_AUDIO_BITRATE=64000
ID_AUDIO_RATE=22050
ID_AUDIO_NCH=2
ID_AUDIO_CODEC=mp3
ID_EXIT=EOF

$ midentify test.webm

ID_VIDEO_ID=0
ID_AUDIO_ID=0
ID_FILENAME=test.webm
ID_DEMUXER=lavfpref
ID_VIDEO_FORMAT=VP80
ID_VIDEO_BITRATE=0
ID_VIDEO_WIDTH=320
ID_VIDEO_HEIGHT=240
ID_VIDEO_FPS=18.000
ID_VIDEO_ASPECT=1.3333
ID_AUDIO_FORMAT=22127
ID_AUDIO_BITRATE=0
ID_AUDIO_RATE=22050
ID_AUDIO_NCH=2
ID_START_TIME=0.00
ID_LENGTH=216.28
ID_SEEKABLE=1
ID_CHAPTERS=0
ID_VIDEO_CODEC=ffvp8
ID_AUDIO_BITRATE=0
ID_AUDIO_RATE=22050
ID_AUDIO_NCH=2
ID_AUDIO_CODEC=ffvorbis
ID_EXIT=EOF

當我們家看完葉問之後.....MOV

2010-11-11T01:09:00.000+08:00

more...全文

看完葉問的貓咪

2010-11-11T01:07:00.000+08:00

more...全文

貓咪也練詠春葉喵 ipcat

2010-11-11T01:06:00.000+08:00

more...全文

一代宗師葉問大戰李小龍詠春對戰 (貓咪版)

2010-11-11T01:04:00.000+08:00

more...全文

Firefox Addon - Pentadactyl 五趾型

2010-10-15T23:13:00.003+08:00

Pentadactyl 是由 vimperator 的前開發人員重新打做的 Firefox addon。

vimperator 是那種開始時用不慣，但用慣之後會甩不了的物品，箇中原因是使用 Firefox 時的超高效率加上畫面全開。而用 mouse 操控時，畫面會震，指去連結，點擊等等，用 keyboard 的話，按什麼算什麼。情形好比中文手寫輸入 vs 打字。

Chromium browser 上類似的 extension 都有試過，但都未可以做到使用 Firefox 時的相同效果。

其他 webkit(-gtk) 的 browsers 如 uzbl, luakit, surf 類似的都有試過，之後仍是認為 Firefox + vimperator 最好用。

我自訂的 .vimperatorrc

期待 Pentadactyl 推出 non-beta。

Firefox Addon page
Website
Project home (最新見 pentadactyl-20101015.xpi)
1.0 beta 2 release notes

Yahoo 網站的手寫文字輸入法

2010-10-01T12:00:00.000+08:00

Handwriting Character Recognition
without requiring specific hardware and drivers.

site: http://tw.yahoo.com/

不需安裝手寫板
不需安裝驅動程式
提供聯想詞句
跨平台

到 Internet Cafe 亦一樣可以使用。
要求 web browser 支援 Flash (or perhaps gnash on Linux?)

Google 開通了 Linux 上的 Voice / video Chat

2010-08-20T19:32:00.011+08:00

在試 pidgin 時無意碰上 Google 的今天新品

http://www.google.com/chat/video
Use Linux? Now you can video chat too - Official Gmail Blog

奇在就是找不到下載 ....

Edit: 找到

$ wget http://dl.google.com/linux/direct/google-talkplugin_current_amd64.deb
$ sudo dpkg -i google-talkplugin_current_amd64.deb

ramzswap 不釋放記憶體

2010-05-12T23:19:00.001+08:00

compressed swap memory 鎖的死死的問題有關注了。

see:
ramzswap: Eliminate stale data in compressed memory
http://thread.gmane.org/gmane.linux.kernel/981457

基本的 css 起手式

2010-04-01T00:59:00.005+08:00

* { line-height: 1em; }
or
* { line-height: 100%; }=

讓 1 row 就是本身字型的高度。

CSS 是作為文件內容表達上的 annotation，經常被盲用。

Open many chromium different sessions

2010-03-24T00:20:00.024+08:00

#!/bin/sh

PARAM="--disable-logging"
PARAM="${PARAM} --disk-cache-dir=/tmp/.${USER}/.cache"
PARAM="${PARAM} --no-referrers"
PARAM="${PARAM} --disable-ipv6"
PARAM="${PARAM} --disable-java"

#PARAM="${PARAM} --user-data-dir=${XDG_CONFIG_HOME}/chromuim-default"
#PARAM="${PARAM} --user-data-dir=${HOME}/.config/chromium-default"
#PARAM="${PARAM} --incognito"
#PARAM="${PARAM} --proxy-server=127.0.0.1:8118"
#PARAM="${PARAM} --"
#PARAM="${PARAM} --"

if [ -d ~/.config/chromium-facebook ]; then
    echo Bye.
    quit
fi

cd ~/.config/chromium-facebook
ls | while read i
do
    exec /usr/lib64/chromium-browser/chrome ${PARAM} --user-data-dir=${HOME}/.config/chromium-facebook/$i &
done

--disk-cache-dir 同 dir 沒關系 --user-data-dir = store:存 extensions / history / etc.

而一氣過開 n 個 chromium / google chrome 亦相當之快。
"firefox + chromium (partial)" + userscripts/extensions

Google bookmarks 升上更高層次

2010-03-23T00:20:00.001+08:00

Google Bookmarks
http://www.google.com/bookmarks/ 一直以來，online bookmark 服務不外乎以下:
- 齊齊 post links and add tags
- sync to browser bookmark via 3rd party addons

玩票性質地做了一個找 promo coupon code 的 Google Bookmarks - List
作了個名: Domain Maintenance

設成 public 權限。

展示本身是: 新清息在上，個別 bookmark 可以 comment。

Bookmark 了 10幾年, 這個設計根本上是神品，未敢言已經是終極。

(tbc)

Google Map Hong Kong

2010-03-12T01:20:00.004+08:00

在晚上時候，有個親愛的小朋友，打電話來告訴我，google map 有香港的 street view 了。做好 bookmark 可以發給朋友分享共用的。善用 bookmark。我亦回報了小朋友，Google Chart API 及 Google Charting Tools 亦都是 URL = Graph, bookmark 了之後，圖表都是共用。

Pidgin: Facebook Chat Setup

2010-03-10T00:18:00.017+08:00

Pidgin, the universal chat client

全能跨平台的即時通訊客戶端，要同時掛多少個 facebook account id 都可以。

Images are 100% prepared with GIMP - The GNU Image Manipulation Program.

Asus M2A-VM-HDMI ATi X1250 SB600 RadeonHD

2007-10-22T01:10:00.003+08:00

It has been 2 months that both my Gentoo and Debian have to run with fglrx.

Finally, my Gentoo Linux can run in 1440x900 with x11-driver/xf86-video-radeonhd, without patching src/rhd_id.c by hand.

The mailing list:
http://lists.opensuse.org/radeonhd/

$ glxgears

Xlib:  extension "XFree86-DRI" missing on display ":0.0".
3528 frames in 5.0 seconds = 705.598 FPS
3534 frames in 5.0 seconds = 703.647 FPS
3500 frames in 5.0 seconds = 696.912 FPS
3500 frames in 5.0 seconds = 697.784 FPS
3520 frames in 5.0 seconds = 701.972 FPS
3520 frames in 5.0 seconds = 701.569 FPS
3500 frames in 5.0 seconds = 698.255 FPS
3480 frames in 5.0 seconds = 692.673 FPS
3460 frames in 5.0 seconds = 688.428 FPS
XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server ":0.0"
      after 64915 requests (107 known processed) with 0 events remaining.

$ glxinfo

name of display: :0.0
Xlib:  extension "XFree86-DRI" missing on display ":0.0".
display: :0  screen: 0
direct rendering: No (If you want to find out why, try setting LIBGL_DEBUG=verbose)
server glx vendor string: SGI
server glx version string: 1.2
server glx extensions:
    GLX_ARB_multisample, GLX_EXT_visual_info, GLX_EXT_visual_rating, 
    GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_OML_swap_method, 
    GLX_SGI_make_current_read, GLX_SGIS_multisample, GLX_SGIX_hyperpipe, 
    GLX_SGIX_swap_barrier, GLX_SGIX_fbconfig, GLX_MESA_copy_sub_buffer
client glx vendor string: ATI
client glx version string: 1.3
client glx extensions:
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_EXT_import_context, 
    GLX_ARB_get_proc_address, GLX_SGI_video_sync, GLX_ARB_multisample, 
    GLX_ATI_pixel_format_float, GLX_ATI_render_texture
GLX version: 1.2
GLX extensions:
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_EXT_import_context, 
    GLX_ARB_multisample
OpenGL vendor string: Mesa project: www.mesa3d.org
OpenGL renderer string: Mesa GLX Indirect
OpenGL version string: 1.4 (1.5 Mesa 6.5.2)
OpenGL extensions:
    GL_ARB_imaging, GL_ARB_multitexture, GL_ARB_texture_border_clamp, 
    GL_ARB_texture_cube_map, GL_ARB_texture_env_add, 
    GL_ARB_texture_env_combine, GL_ARB_texture_env_dot3, 
    GL_ARB_transpose_matrix, GL_EXT_abgr, GL_EXT_blend_color, 
    GL_EXT_blend_minmax, GL_EXT_blend_subtract, GL_EXT_texture_env_add, 
    GL_EXT_texture_env_combine, GL_EXT_texture_env_dot3, 
    GL_EXT_texture_lod_bias

   visual  x  bf lv rg d st colorbuffer ax dp st accumbuffer  ms  cav
 id dep cl sp sz l  ci b ro  r  g  b  a bf th cl  r  g  b  a ns b eat
----------------------------------------------------------------------
0x23 24 tc  0 24  0 r  y  .  8  8  8  0  0 16  0  0  0  0  0  0 0 None
0x24 24 tc  0 24  0 r  y  .  8  8  8  0  0 16  8 16 16 16  0  0 0 None
0x25 24 tc  0 32  0 r  y  .  8  8  8  8  0 16  8 16 16 16 16  0 0 None
0x26 24 tc  0 32  0 r  .  .  8  8  8  8  0 16  8 16 16 16 16  0 0 None
0x27 24 dc  0 24  0 r  y  .  8  8  8  0  0 16  0  0  0  0  0  0 0 None
0x28 24 dc  0 24  0 r  y  .  8  8  8  0  0 16  8 16 16 16  0  0 0 None
0x29 24 dc  0 32  0 r  y  .  8  8  8  8  0 16  8 16 16 16 16  0 0 None
0x2a 24 dc  0 32  0 r  .  .  8  8  8  8  0 16  8 16 16 16 16  0 0 None

It has been a year since Google acquired Jotspot

2007-10-14T18:23:00.000+08:00

等 Google 的 Jotspot 已經一年了

Google Groups: JotSpot Help (since April, 2007)
http://groups.google.com/group/jotspot-help

Google Acquired Jotspot (since October, 2006)
http://googleblog.blogspot.com/2006/10/spot-on.html

Lossless JPEG Transformation

2007-10-10T09:51:00.003+08:00

Installation

Direct download: Independent JPEG Group
Gentoo:
```
$ emerge -avt media-libs/jpeg
```
Debian:
```
$ aptitude install libjpeg-progs
```

Trim JPEG images (almost loseless)

mc menu

1   jpgzap
    set %t
    while [ -n "$1" ]; do
        /bin/echo -n Cleaning $1 $(du -b $1 | sed 's/\([0-9]*\)\(.*\)/\1/')
        TMPFILE=`/bin/mktemp -p .` || exit 1
        jpegtran [-grayscale] -copy none -optimize -perfect -trim -outfile $TMPFILE $1 && \
        touch $TMPFILE -r $1 && \
        /bin/mv $TMPFILE $1
        unset TMPFILE
        /bin/echo ... done. $(du -b $1 | sed 's/\([0-9]*\)\(.*\)/\1/')
        shift
    done

Resize JPEG images

for i in `ls "$1"`; do
    convert -size [1000]x900 [-quality n] $i conv_$i;
done

IDE to SATA converter Performance @HK$50

2007-09-15T16:00:00.004+08:00

Hardware

Motherboard: Asus M2A-VM-HDMI
CPU: Athlon64 X2 4000+
RAM: 2GB DDR667
Harddisk: 2 x Maxtor 250GB
Operating System: (64-bit no-multilib)

$ uname -a

Linux x2 2.6.22-gentoo-r8 #3 SMP Sun Sep 30 14:55:25 SGT 2007 x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 4000+ AuthenticAMD GNU/Linux

/dev/sda = ide to sata to onboard sata
/dev/sdb = ide to onboard ide

# hdparm -tT /dev/sd{a,b,a,b,a,b}

/dev/sda:
 Timing cached reads:   1606 MB in  2.00 seconds = 803.65 MB/sec
 Timing buffered disk reads:  182 MB in  3.02 seconds =  60.36 MB/sec

/dev/sdb:
 Timing cached reads:   1560 MB in  2.00 seconds = 780.76 MB/sec
 Timing buffered disk reads:  186 MB in  3.01 seconds =  61.84 MB/sec

/dev/sda:
 Timing cached reads:   1648 MB in  2.00 seconds = 824.47 MB/sec
 Timing buffered disk reads:  182 MB in  3.02 seconds =  60.17 MB/sec

/dev/sdb:
 Timing cached reads:   1668 MB in  2.00 seconds = 834.82 MB/sec
 Timing buffered disk reads:  186 MB in  3.02 seconds =  61.67 MB/sec

/dev/sda:
 Timing cached reads:   1616 MB in  2.00 seconds = 808.75 MB/sec
 Timing buffered disk reads:  180 MB in  3.00 seconds =  59.99 MB/sec

/dev/sdb:
 Timing cached reads:   1630 MB in  2.00 seconds = 816.04 MB/sec
 Timing buffered disk reads:  186 MB in  3.02 seconds =  61.62 MB/sec

Google Map 的地圖 -- ditu

2007-07-30T02:58:00.002+08:00

福建省厦门 - 福建省泉州

福建省厦门 - 福建省泉州石狮市

 广东省深圳 - 福建省泉州石狮市

广东省深圳 - 江苏省无锡

广东省深圳 - 广东省广州

中國人都應該看的經濟寓言(轉貼)

2007-06-19T23:55:00.002+08:00

有一天一個外星人到地球參觀，看到地球上有兩棵山上的野樹，一棵種在歐洲，一棵種在中國，都結了野果。

外星人很眼饞，對地球人說：“我要買你們的野果吃。”

地球人說：“好，但要先確定你到哪裡去買，到中國去買，１人民幣１個，到歐洲人去買，用１歐元１個。”

外星人說：“那我用１歐元買一個好了。”

地球人說：“且慢！其實你不用花錢就可以，你先從中國借一個果子，到歐洲去換１歐元，拿１歐元到中國去，就可以換１０個果子，拿一個果子還給中國人，你就白得了９個果子，你再拿９個果子再去換９歐元，在到中國去換９０個果子，再拿這９０個果子再去換９０歐元，在到中國去換９００個果子…………這樣下去中國的好東西都被你買光了！”

外星人說：“哪有這樣的好事！那中國人為啥不到歐洲去賣個好價格？”

地球人說：“中國政府規定１０人民幣＝１歐元，就是規定了１０個中國的果子＝歐洲一個果子！因為中國認為只要能出口賺外匯，就是勝利，不管損失多少資源，現在很多人在把中國的商品廉價傾銷給外國，就是利用了這個差價，他們不求用歐洲的最高價格出手，只求最快，但已經有巨額的利潤空間，不管浪費多少中國的商品，只要自己能賺到錢就行，賺到錢立刻再到中國進貨，就是這個道理。”

外星人說：“怪不得中國的外彙儲備世界第一！那中國有了外匯起到了啥作用？”

地球人說：“啥作用也沒起到！中國人根本就不敢花！！因為如果中國把這個錢花在外國，就起到只能買一個果子的作用，就是說本來手裡有１０個果子，一交換就變成只有１個果子，再交換一次就變成０.１個果子，再交換一次就變成０.０１個果子…………那這樣以前的交換都白交換了，越交換越窮，另一方面，如果中國把這個錢花在國內，就必須換成人民幣，這也不行，因為果子都被外國消滅了，代表果子實物價值的人民幣卻在中國增加，人民幣會越來越多，引起通貨膨漲。”

外星人說：“看來中國的外匯只能爛在鍋裡，自己沒法花，只能交給外國人，再來買中國的果子了！”

地球人說：“中國沒有一個人懂經濟，於是請了歐洲人來給中國人講課，歐洲人誇讚中國的匯率好，如果升值，農業會倒霉，殊不知農民完全可以只靠勞作和打工就自給自足，於是全中國人都在聽這個歐洲人的話。”

外星人說：“怪不得中國人越來越窮，啥東西也買不起，把最好東西全部都出口奉獻給外國人，就是為了換外匯呀！只可惜換的代價太大，１０萬億的東西只換來了１萬億的外匯。”

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