expediency
n. 方便，权宜；私利；权宜之计
复数 expediencies
例句
He acted out of expediency, not principle.
他的行为是出于权宜之计而非原则。
《牛津词典》
This was a matter less of morals than of expediency.
此举主要是权宜之计，而非道德问题。
《柯林斯英汉双解大词典》
It is what it is, a matter of expediency.
但就是这样，一个权宜之计。
