Repeat reading it five times, you get it.
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: 笑笑 于 2005-1-25, 20:29:39:
回答: Who is I2 ? 由 jxh 于 2005-1-25, 20:21:48:
Repeat reading it ten times, if you still don't get it.
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