现在大家普遍性的不婚不生不育，生育率低于1.0，这不是每代灭亡一半是什么？这是简单的小学算数问题

来源: rmny 于 2025-01-04 12:26:31 [旧帖] [给我悄悄话] 本文已被阅读：次

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