- 问题详情:MadeintheUSA:AnExportBoomInhisStateoftheUnionaddresstwoyearsago,PresidentObamaarguedthatinordertorecoverfromtheeconomicrecession(经济衰退),oneofthefewthingstheU.S.neededtodowastoexportmoregoodsaroundtheworld.Thatnight,thepresidentunveiled(吐露)a...
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