field expedient现场应急方法
expedient wisdom权智
expedient means方便
expedient factors权变因素
Expedient quality过硬的产品质量
expedient charges权宜支出
expedient training合理培育
N-COUNT（可数名词） An expedient is an action that achieves a particular purpose, but may not be morally right. 权宜之举
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。
ADJ（形容词） If it is expedient to do something, it is useful or convenient to do it, even though it may not be morally right. 权宜的
Governments frequently ignore human rights abuses in other countries if it is politically expedient to do so.
如果在政治上对自己有利，政府经常忽视其他国家侵犯人权的行为。