expedient

adj. 权宜的；方便的；有利的

n. 权宜之计；应急手段

中文词源

expedient 权宜之计

来自expedite, 加速。引申义权宜，权宜之计。比较汉语欲速则不达。

expedient (adj.): late 14c., "advantageous, fit, proper to a purpose," from Old French expedient "useful, beneficial" (14c.) or directly from Latin expedientem (nominative expediens) "beneficial," present participle of expedire "make fit or ready, prepare" (see expedite). The noun meaning "a device adopted in an exigency, that which serves to advance a desired result" is from 1650s. Related: Expediential; expedientially (both 19c.).
Expedient, contrivance, and device indicate artificial means of escape from difficulty or embarrassment; resource indicates natural means or something possessed; resort and shift may indicate either. [Century Dictionary]

1. 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。

2. The government found it expedient to relax censorship a little.: 政府发现略微放宽审查是可取的.

5. I cut my purchases dramatically by the simple expedient of destroying my credit cards.: 通过销毁信用卡这一简单的权宜之计，我大幅削减了自己的购物支出。