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1.urge v. 敦促；催促；力劝
例句：He urged employers and trade unions to adapt their pay settlements to the economic circumstances.
他敦促雇主和工会根据经济条件调整工资方案。
2.of the essence 必不可少；非常重要
例句：In this situation time is of the essence (= we must do things as quickly as possible).
在这种情况下，时间是至关重要的。
