People usually don't pay much attention to how much water industry uses, but you may be surprised to know that industry uses 59% of the water in developed countries.

人们通常不太关注工业用水的使用量，但是你可能会惊讶地发现工业用水占到了发达国家的59%。

youdao

These people don't know you, so the praise may not be earnest.

这些人不了解你，所以这些表扬可能并不真挚。

youdao

Now many of you may have heard, many of you may know, and if you don't already know this, I should warn you, that I have a reputation around Yale as being a harsh grader.

你们中的大多数可能听说过，你们中的一部分可能知道，如果你真的不知道，那么我要警告你，我在耶鲁，是出了名的严厉。

youdao

You know from experience if you've ever mixed them to make salad dressing, they don't mix too well. And you may know that if you heat them up, they mix much better.

经验告诉我们,你无法把它们混合做成色拉酱调料，他们不会很好的混合，但是你也知道,如果我们把他们加热，就能够混合的更好。

麻省理工公开课 - 热力学与动力学课程节选

Some may or may not be useful, but you just don't know.

有些可能有用,有些可能没用,但你们现在还不知道

耶鲁公开课 - 基础物理课程节选

Now many of you may have heard, many of you may know, and if you don't already know this, I should warn you, that I have a reputation around Yale as being a harsh grader.

你们中的大多数可能听说过，你们中的一部分可能知道，如果你真的不知道，那么我要警告你，我在耶鲁,是出了名的严厉。

耶鲁公开课 - 死亡课程节选

"While you may know certain people who work for the company already, you don't always know how they are perceived by their employer, " Lopeke says.

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You may be like your grandfather in this, I don't know, but certainly both you and your father resemble him very much physically.

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You may not like what he does, and basically I don't, but you know you've seen action after he's finished working you over.

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