memorize, memorize, memorize + experience to understand.

来源: y2001 于 2009-05-04 10:05:34 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

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• it's just a lot materials.... :( -jmb- ♀ 给 jmb 发送悄悄话 (0 bytes) () 05/04/2009 postreply 11:17:46

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