從基因遺傳和文化遺傳的角度看，以前是精英的，後代有出息的概率大於普通人家的後代。

來源: 衡山老道於 2020-07-23 18:24:28 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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