expedient
单词辨析：
尤指官方为解决某一问题而采取的行动。
Measures are being taken to prevent drunk driving in the city.
正在采取措施防止该市出现酒后驾车。
New food safety measures are being demanded.
民众要求制定新的食品安全措施。
指处理问题迅速有效的方法，即应急之策。
Gradually, this became an expedient rather than an indispensable tactic.
慢慢地，这变成了一种权宜之计而非必要的策略。
指为处理某一问题或取得成功而采取的一系列举措之一，含有循序渐进之意，常用复数。
the first step in reforming the welfare system
福利制度改革的第一步
We must take steps to end the war.
我们必须采取措施来结束这场战争。
We are taking steps to protect our environment.
我们正在采取措施以保护环境。
相关例句：
Shift your attention from the expedient to the important.
将你的注意力从权宜之计转移到重要的事情上。
Morality, for him, means doing what is expedient.
对他来说，道德就是选方便的事做。
They adopt the measures they regard to be most expedient.
他们总是采取他们认为最有利的措施。
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，各国政府经常忽视其他国家侵犯人权的行为。
Surgical waiting lists were reduced by the simple expedient of striking off all patients awaiting varicose vein operations
采取了将所有等待进行静脉曲张手术的病人从名单上删除的简单做法，这一权宜之计使得外科手术等待名单得以缩减。
Government is at best but an expedient;
政府至多只是权宜之策；