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一些水利专家现在要求要更好地利用现存的基础设施,而不是建造新的设施.后者越来越被看成是最后,而不是第一的解决方案.
some water experts (主)are now demanding (谓)that existing infrastructure be used in smarter ways rather than building new facilities,which is increasingly considered the option of last,not first,resort.
which 引导主语从句
1年前
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