So everything from creating solar hot-water systems on our rooftops to making our buildings much more energy efficient."

VOA: special.2011.07.08

I don't believe that markets are efficient and it doesn't really seem like it should be an open question.

我不相信市场是有效的,而且事实上这似乎,也不应该是一个开放式的问题。

耶鲁公开课 - 金融市场课程节选

so that you can solve it in the best and most efficient manner.

这样便可以用最好，最有效的方式解决问题。

有印象的教授 - SpeakingMax英语口语达人

She says she cannot think of a more efficient, hopeful or fair machine, except maybe the bicycle.

VOA: special.2010.04.05

What I have up there on the diagram are calculations I made for the efficient portfolio frontier with three assets.

上面的图形是我已经算好的,三种资产的有效投资组合边界。

耶鲁公开课 - 金融市场课程节选

And so it is very important for the poorer people to have very efficient stoves that protect their forests and that protect their health."

VOA: special.2010.02.01

One of the things we want to help you do is identify the different classes of algorithms, what their costs are, and how you can map problems into the most efficient class to do the computation.

我们想要教会你们的事情之一就是,学会辨别不同种类的算法，它们的代价是怎么样的，以及怎么样把问题映射到,最有效的算法种类中去做计算。

麻省理工公开课 - 计算机科学及编程导论课程节选

The walls were built extra thick to save heat and energy-efficient appliances kept energy use low.

VOA: special.2009.10.27

What's, like what's the most efficient use of people?

怎么样才能最大限度地发挥他们的聪明才智？

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

They're very efficient." Not far from Taylor Glacier, researchers for the American space Agency are using the icy Lake Bonney to test an underwater robot vehicle.

VOA: special.2009.06.03

So this is not the most efficient way of representing information.

其实，这不是最有效的,信息表示方式。

哈佛公开课 - 计算机科学课程节选

And how the systems that we have designed for the house and we've used for the house how efficient they are and how little energy they use."

VOA: special.2009.10.27

We had a very efficient process that was run by a scheduler.

我们有个很高效的程序,那是有一个日程员负责的。

普林斯顿公开课 - 国际座谈会课程节选

But new tests years later found that it was not very efficient.

VOA: special.2010.02.01

So it's a very efficient way of securing energy.

因此这是一个高效的保存能量的方法

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Workers will also add energy efficient lights and improved building control systems.

VOA: special.2009.05.22

This is a much more efficient way to get DNA for a gene that you're interested for a couple of reasons.

用这个办法能更有效率地获取你,感兴趣的基因的DNA,原因如下

耶鲁公开课 - 生物医学工程探索课程节选

In Saudi Arabia it takes five days. So,it's things like that where they can learn from each other about how to get more efficient, how to help entrepreneurs get off the ground."

VOA: special.2010.05.10

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

A secondary benefit is getting gas-guzzling old clunkers off the road and replaced with more fuel-efficient band new models.

VOA: standard.2009.05.18

The pink line here is the efficient portfolio frontier when we have only stocks and bonds to invest.

这条粉色曲线就是有效边界,这个投资组合只包括了股票和债券。

耶鲁公开课 - 金融市场课程节选

The report argues building a health system that is efficient and really works is not purely a financial matter.

VOA: standard.2009.05.21

in my description of what it meant to have the Efficient Market Hypothesis.

之前我描述有效率市场假说的时候,对你们说了些假话。

麻省理工公开课 - 计算机科学及编程导论课程节选

Chinese Society Entrepreneurs and Ecology represents 130 businessmen who have embraced the principles of green economy: one builds energy efficient high-rise buildings;

VOA: standard.2010.02.24

well, that's the way Wall Street works or at least a -some people say markets are efficient and stock prices incorporate all information.

华尔街就是这么运作的,一些人认为市场是有效的,股票价格是各种信息的综合体现

耶鲁公开课 - 金融市场课程节选

Because the transmission is not efficient, " The problem is possibly that the information isn't efficient enough,"

VOA: standard.2009.11.25

Once you've got them together, then you can compute the efficient portfolio frontier without the riskless asset.

当你明确了这些参数后，就可以算出没有无风险资产情况下的,有效边界了。

耶鲁公开课 - 金融市场课程节选

The surge in exports comes as India turns into a production hub for cheap, fuel efficient cars.

VOA: standard.2009.09.25

What this model asserts is that markets are informationally efficient.

这个模型说,这个市场处理信息有效的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now, efficiency is obviously an important consideration when you're designing code, although I have to admit, at least for me, I usually want to at least start initially with code that works, and then worry about how I might go back and come up with more efficient implementation.

现在，当你设计程序的时候效率,是不得不考虑的问题，虽然我必须承认，至少对我来说,我是先担心程序能不能运行,再去把它的效率优化的,我喜欢可靠点的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选