美国人口各族裔也比欧洲繁杂得多，教育水平越低越穷人群越胖寿命越低，这次新冠疫情更拉低了整体的人均寿命。。

来源: pickshell 于 2023-09-01 19:52:22 [旧帖] [给我悄悄话] 本文已被阅读：次

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