efficiency 

  1. 名詞
不可數名詞: 效率, 效能
功效
efficiency in ...(動詞ing ...):
做...的效率
通常為複數efficiencies:
節省時間的方法
節省金錢的方法
an efficiency apartment/
an efficiency unit/
(複數)efficiency apartments/

    同義字詞
edge,effectiveness,effectualness,efficaciousness,efficacity,efficacy,productiveness

例句

  1. Engine size and efficiency has since increased.
  2. Two – providing transparency and efficiency in markets.
  3. The collective efficiency is institutionalized in clusters.
  4. Power efficiency can often be traded for speed or lower cost.
  5. With wireless power, efficiency is the more significant parameter.