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2002年1月1日

1分钟阅读

单身行

工业国家的未婚母亲人数上升

作者：Rodger Doyle

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Rodger Doyle can be reached at rdoyle2@adelphia.net

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This article was originally published with the title “Going Solo” in 大众科学 Magazine Vol. 286 No. 1 (January 2002)
doi:10.1038/scientificamerican012002-LppkfQPqJwPBCaSf0AFXG

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