Look, what's that used for?

你看看，那是干什么用的？

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It is because the computer programs used to look at big data and understand it are written by people.

这是因为用来查看和理解大数据的计算机程序是由人编写的。

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NASA used its Lunar Crater Observing and Sensing Satellite,or LCROSS, to look for water deep beneath the lunar surface.

VOA: special.2009.12.30

It used to be this big, thick thing and you would go there everyday to look up and everything was in there.

它过去是一份很大很厚的报纸,你每天都会查阅资讯,上面有所有需要的资讯

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Let's look at how these two different ways can be used and expressed by the same pattern.

下面我们来看看这同一个句型怎样可以用和表达这两种不同的用法。

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We used to look at a new technology and ask, How many people use it?

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Her thin little face, which had used to look creamy, was peaky, blue around the lips.

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Syrians used to look at neighbouring Lebanon and Iraq and conclude that stability mattered more than freedom.

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