The original artlcle already talked about this


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: HunHunSheng 于 2006-2-13, 14:09:24:

回答: This can't be right: if every hour you invested gives you two hours back 由 4U4luC2 于 2006-2-13, 13:56:07:




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