應該是食物和環境因素並存。我兒子近10歲來美，在中學吃了四年的午餐，也比他爹高了大半頭。

來源: 安雅雲於 2015-11-09 05:25:39 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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