词典释义：
双语例句
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Many minsters of environment have known for some time that solving environmental challenges and seizing opportunities will prove impossible without political clout and effective institutions.
一段时间以来，许多环境部长都知道，如果缺少有政治影响力和卓有成效的协调机构，想抓住机遇解决环境挑战将是不可能的。