http://ftp.isu.edu.tw/pub/CPatch/editor/acrobat/adberdr80_zh_tw.exe
http://ftp.cse.yzu.edu.tw/pub/softking/soft/en/a/AdbeRdr80_zh_TW.exe
ftp://ftp3.adobe.com/pub/adobe/reader/win/8.x/8.0/cht/AdbeRdr80_zh_TW.exe