囯內大城市和美國多種族或許還包括非法移民比較？這不是蘋果比桔子嗎？有比較過國內大城市和美國華人壽命嗎？

來源: Pharm2013 於 2023-10-13 19:08:17 [舊帖] [給我悄悄話] 本文已被閱讀：次

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