The heating system has recently been modified to make it more efficient.

By investing in efficient plant it could generate lots of valuable carbon credits to sell to wealthier, more wasteful nations.

通过投资高效能的工厂，它可以节余很多宝贵的碳信用额来出售给更富有、更浪费的国家。

a quieter, more efficient engine

一台声音更小、效率更高的发动机

Regulators may gum up an efficient system.

管理者可能会使一个行之有效的制度陷于瘫痪。

Your problem lies in lacking efficient methods.

你的问题在于缺少有效的方法.

The service at the hotel is efficient and unobtrusive.

那旅馆的服务工作有效率而不夸张。

The metro is efficient and spotlessly clean.

地铁非常快捷，而且一尘不染。

the efficient use of energy

能源的有效利用

She is an efficient manageress.

她是个有能力的经理.

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。

She was efficient and reliable.

她办事很有效率，也很可靠。

It is a well and efficient exercise of medical aid.

这是一次出色的救护演习.

It's better to plan if you want arrangements to be really efficient.

如果你希望有个紧凑的安排,最好事先做个计划.

I work more efficiently on my own.

我独自一人工作效率更高.

The police dealt with the incident very efficiently.

警方处理这一事件的效率很高.

How do you motivate people to work hard and efficiently?

你是怎样激励大家奋发高效地工作的？

They seemed able to work together very efficiently.

他们看来能很有效率地合作。

Asia should use all saving more efficiently and more productively.

亚洲人在使用任何储蓄时应该更富有成效.

These compounds may be expected to cure efficiently the unpleasant warm tone of medical film.

这是两类很有前途的调色剂,有望解决医用胶片存在的暖调问题.

He had acted automatically, efficiently.

他不假思索, 而干练地干了起来.

Services could be operated more efficiently and economically.

服务的提供可以更加高效、更加节省。