Making things simple is the most difficult thing to do.
所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl
送交者: mangolasi 于 2006-4-27, 11:26:38:
回答: If you can explain something by using a simpler 由 Enlighten 于 2006-4-27, 11:22:52:
所有跟贴:
加跟贴
所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl