sorry, I get my number wrong again. number of 5-8 old

来源: QualityWithoutName 于 2008-10-02 09:03:42 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (60 bytes)

5-6 year old: 0.5 hours a day
7-8 year old: 1 hours a day

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