人在恶劣环境里才会过量繁殖。生活在阿富汗走廊地带的人平均生10个，死一大半。增长率还很高。

来源: pop4 于 2019-10-08 06:32:42 [旧帖] [给我悄悄话] 本文已被阅读：次

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