How can we find out the theme of a text?

我们怎样才能找到文章的主题呢？

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We should be delighted to pursue knowledge for its own sake—even when what we find out is something we didn't particularly want to know.

我们应该为追求知识这件事本身而感到高兴——即使我们所学可能并不是我们特别想知道的。

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In experimenting we find out that sound travels with different velocities through different substances.

在实验中，我们发现声音以不同的速度通过不同的物质而传播。

《新英汉大辞典》

This week on our program, we find out how some people will be welcoming two thousand ten.

VOA: special.2009.12.28

And what we find out is the wavelength of a Matsuzaka fastball is 1.1 times 10 to the -31 meters.

我们算出松阪快球的波长,是1，1乘以10的负31次方米。

麻省理工公开课 - 化学原理课程节选

But what we find out is that it is.

但我们会发现尺寸在这里非常有意义。

麻省理工公开课 - 化学原理课程节选

Based on what we know, what we find out, and what other people know.

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Hopefully the law firm calls and we find out about these things and we fix them.

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But we bet the price of gold will be higher when we find out.

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