An efficient bulb may lighten the load of power stations.

节能灯可减轻发电站的负荷。

《柯林斯英汉双解大词典》

The creation of an efficient and sustainable transport system is critical.

一个高效而可持续发展的交通系统的创建是非常重要的。

《柯林斯英汉双解大词典》

It's not necessarily an efficient way to learn.

这不一定是一种有效的学习方式。

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The hotels use energy-saving lights and appliances, buy local wine and produce for their restaurants, compost organic waste, donate old linens and towels to charities, and use an energy-efficient, "green" local laundry.

VOA: standard.2009.03.30

If we want to add that asset to the portfolio, what it does is it produces an efficient portfolio frontier that is now a straight line; I show that on the diagram.

如果我们将其加入到投资组合中去，则会生成一条资产组合的有效边界,即一条直线;,我在图里把它画出来了。

耶鲁公开课 - 金融市场课程节选

So I guess an efficient, new way of solving those problems.

是一种高效新型的解决这些问题的方法。

我的梦想是百万富翁 - SpeakingMax英语口语达人

United dominated the first half without ever hitting top gear against an efficient Villarreal side.

BBC: Man Utd 0-0 Villarreal

Running an efficient IT organization is much more of a science than an art.

FORBES: DellVoice: Managing IT in Schools - New Ways to Improve Service, Streamline, Save Costs

Thank you Media Matters, for an efficient summary of the terms of the energy debate.

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