偏偏在歐洲人登陸時美洲文明和人口（包括貿易，戰爭與人口密度等）進步到了利於病毒爆發的程度

來源: akuan 於 2023-12-21 07:32:03 [舊帖] [給我悄悄話] 本文已被閱讀：次

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