1949->1978 适龄儿童小学入学率20%->94％,人均寿命36岁->69岁.美国现在也就这水平.

来源: Lisland_2013 于 2024-09-18 08:07:07 [旧帖] [给我悄悄话] 本文已被阅读：次

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