在按人頭課稅的時代，隱藏人口可能數量龐大，所以之前的五千萬恐怕是不全麵的。

來源: ButterflyGarden 於 2019-08-31 17:22:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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