書的用處在於當你想它該有用的時侯,

來源: weiyi 於 2008-08-06 06:44:42 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

它不一定有用, 當你不認為它有用時, 有時忽然發現,這本書很有用.

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