expedient

/ɪkˈspiːdiənt/ 12托福GREgmat
An expedient is an action that achieves a particular purpose, but may not be morally right. 权宜之举

adjective [原级]权宜的;方便的;有利的

The curfew regulation is a temporary expedient made necessary by a sudden emergency.
宵禁令是应对突发事件时必要的临时权宜之举。

noun [抽象名词]权宜之计;应急手段

The disease was controlled by the simple expedient of not allowing anyone to leave the city.
通过禁止任何人出城的简单应急办法使疾病得到了控制。

单词造句: