A new study shows that we keep using our old devices well after they go out of style.

一项新的研究表明，我们在旧设备过时后还会继续使用它们。

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As we all know, a good learning environment is vital if we want to study English well.

众所周知的是，如果我们想要学好英语的话，一个好的学习环境是至关重要的。

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As we all know, if a person isn't in good health, he or she can't study or work well, or live comfortably.

众所周知，如果一个人身体不好，他就无法好好学习或工作，也不能舒舒服服地生活。

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That is, investing well requires careful study and the intellectual tradition we have at universities helps promote that.

投资需要谨慎的研究分析,而大学里的学术传统,有助于这方面的研究

耶鲁公开课 - 金融市场课程节选

That's why we'll do some research or study research as well as do some search-- searching inside us.

那就是为什么我们除了探究我们的内心外-,也会做一些研究或调查研究。

哈佛公开课 - 幸福课课程节选

' We must not allow the well-known benefits of university study to be available only to young and full-time students.

BBC: Education & Family

Now, regarding how much ethanol we can produce, the Oak Ridge National Laboratory conducted a well known study of how much ethanol the U.S. could make (including cellulosic sources).

FORBES: Big Corn Gets Bigger: America's Ethanol Decade

Such an advanced technology might well send explorers whose size and shape we cannot yet imagine to study and examine the diversity of life that evolved elsewhere -- and rather than exploiting us, they might value and support the natural biodiversity of the galaxy.

CNN: Should we fear space aliens?