where did you get this idea from?

来源: QualityWithoutName 于 2012-10-08 06:39:57 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (73 bytes)
回答: 人类起源和发展 由 墙根儿 于 2012-10-07 00:21:23

How do you know your cliam is true? How do you justify your claim?

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