歐洲人口密度不必中國小，我記得是中國的10倍之多。如果不是幾次大瘟疫，肯定還要多得多。

來源: chufang 於 2022-02-16 13:01:26 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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