- 問題詳情:ChinaovertooktheUSduring2009tobecometheleadinginvestor(投資者)inrenewableenergytechnologies,accordingtoanewanalysis. ResearcherscalculatethatChinainvested$34.6bnincleanenergyovertheyear,almostdoubletheUSfigure.TheUKcomesinthirdplaceamongG20n...
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