what's logic behind it? I could not get it, please explain more.

来源: DeanNg 于 2010-07-28 06:00:01 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

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• 再看一遍，你会知道的。：） -abc1967- ♀ 给 abc1967 发送悄悄话 (0 bytes) () 07/28/2010 postreply 08:23:40

• still confused.why少写50? If少写50, what's the benefit for the tenan -DeanNg- ♂ 给 DeanNg 发送悄悄话 DeanNg 的博客首页 (0 bytes) () 07/28/2010 postreply 09:13:17

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