名詞 expediency:

1. the quality of being suited to the end in view
   同義詞：expedience

1. An ambitious politician, guided by expediency rather than principle.
   一個(gè)有野心的政客，常為自身利益而不是原則來(lái)指導(dǎo)
2. He acted from expediency, not from principle.
   他為求達(dá)到目的，喪失了原則。
3. All his actions are governed by expediency.
   他所有的行動(dòng)都是一種權(quán)宜之計(jì)。

ex.pe.di.en.cy

n.（名詞）
【復(fù)數(shù)】 ex.pe.di.en.cies
Appropriateness to the purpose at hand; fitness.
與目的相稱(chēng)；適合
Adherence to self-serving means:
利己：
例句：
an ambitious politician, guided by expediency rather than principle.
一個(gè)有野心的政客，常為自身利益而不是原則來(lái)指導(dǎo)

A means; an expedient.
權(quán)宜之計(jì)；對(duì)策
Obsolete Speed; haste.
【廢語(yǔ)】 快速；倉(cāng)促