推 publius:.........homework? 12/14 22:34
推 publius:我不相信想過以後沒有想法，說說看吧 12/14 22:34
→ Majestic:把what 改成no 不但文法沒錯句意也沒錯，可以考GMAT了 12/14 23:03
Under what circumstances will it be optimal for the U.S to erect trade
barriers against China ??
因為不知道從那方面著手? 請各位經濟高手們開示一下吧!
感恩!!!!!!!!!!!!!!!!!
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