英语翻译some water experts are now demanding that existing infrastructure be used in smarter ways rather than building new facilities,which is increasingly considered the option of last,not first,resort
问题描述：
英语翻译
some water experts are now demanding that existing infrastructure be used in smarter ways rather than building new facilities,which is increasingly considered the option of last,not first,resort
答
一些水利专家提倡更好的利用已经存在的设施，而不是建造新的工厂，后者逐渐被认为是最末的选择，而不是最优选择。
后面的resort我不太理解，句子结束了吗？
which 引导的从句是修饰building new facilities
求好评~望采纳~~
答
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