美国收入不均

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 “INCOME INEQUALITY IN THE U.S.” in 大众科学 Magazine Vol. 280 No. 6 (June 1999)
doi:10.1038/scientificamerican061999-QabDJFNMBi4aHBQlVvugs

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