They had been persuaded to suspend legal challenges to the Bush-era rule—which appears to contravene the Clean Air Act (CAA) under which it falls—on the understanding that Mr Obama would fix it.

他们已被说服暂时停止对布什时代规则的法律上的挑战---而在削减的情况下，这看上去违反了清洁空气条例（简写为CAA）---在奥巴马将修改这个条例的条件下。

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