美国贸易逆差

作者：罗杰·道尔

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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 “The U.S Trade Deficit” in 大众科学 Magazine Vol. 282 No. 2 (February 2000), p. 26
doi:10.1038/scientificamerican0200-26

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