效率是指最有效地使用社会资源以满足人类的愿望和需要。也有单位时间完成的工作量的意思。例句：上课认真听讲有助于提高学习效率。那么你知道效率用英语怎么说吗?下面来学习一下吧。
效率的英语说法1：
efficiency
效率的英语说法2：
productivity
效率的相关短语：
灯具效率 luminaire efficiency ; Lamp Efficiency ; lamp's Efficiency ; Luminous Efficiency
经济效率 economic efficiency ; business efficiency ; commercial efficiency ; Development Level
过滤效率 fillter efficiency ; filtration efficiency ; Filt Efficiency ; filtering efficiency
职能效率 functional efficiency
效率性 Efficiency ; market efficiency ; Effieieney ; efficient
锅炉效率 boiler efficiency ; efficiency of boiler ; boiler and furnace efficiency ; Designed Efficiency
动态效率 dynamic efficiency
实际效率 actual efficiency ; practical efficiency ; guaranteed efficiency
泵效率 pump efficiency ; efficiency of pump ; pump ; efficiency
效率的英语例句：
1. These people are very efficient, very organized and excellent time managers.
这些人做事效率很高，井井有条，并且十分善于管理时间。
2. Service was outstandingly friendly and efficient, falling down on only one detail.
服务态度极佳，效率也蛮高，仅在一个小地方不尽人意。
3. Overall, barter is a very inefficient means of organizing transactions.
总之，易货贸易是一种效率很低的交易形式。
4. Non-state firms gradually elbow aside the inefficient state-owned ones.
非国有企业逐渐挤掉了效率低下的国有企业。
5. Energy prices have been kept low, so energy is used inefficiently.
能源价格一直维持低水平，所以能源利用效率很低。
6. This activity was carried on in a businesslike manner.
这个活动开展的效率很高。
7. America's airlines have significantly higher productivity than European ones.
美国航空公司的工作效率比欧洲航空公司要高出很多。
8. Defrost the fridge regularly so that it works at maximum efficiency.
定期给冰箱除霜，以便它能发挥其最高效率。
9. An all-female political section would have been operationally ineffective.
一个由清一色的女性组成的政治部门工作起来将会毫无效率可言。
10. Administrative staff may be deskilled through increased automation and efficiency.
随着自动化程度和效率的不断提高，对管理人员的技能要求可能会大大降低。
11. Damage to the turbine slowed the work down.
涡轮机的损坏降低了工作的效率。
12. The train company is overstaffed and notoriously inefficient.
铁路公司冗员过多，工作效率出了名地低。
13. Introduction of electronic point-of-sale systems is improving efficiency.
引进销售点电子系统提高了效率。
14. Check the operator'sproductivity against agreed targets.
根据既定目标检验操作员的效率。
15. The welfare system is grossly inequitable and inefficient.
福利制度非常不公平，效率也极低。