And we know why kids drop out.

我们知道孩子们为什么掉队辍学。

youdao

Ask... Do we know why?

问…我们知道为什么吗？

youdao

If frogs ever become endangered, we know why.

如果青蛙可能濒临灭绝的话，我们知道是什么原因了。

youdao

why,when we do not sleep, we do not function well. We just do not know much about sleep at all."

VOA: special.2009.08.26

And this is the reason why enthalpy was invented and why it's so important. Because we want to know this. So this for a finite change.

这也就是为什么焓要被提出,而且如此重要的原因,因为我们想要知道这些。

麻省理工公开课 - 热力学与动力学课程节选

And one reason why we know that is in studies like the IAT, the Implicit Attitudes Test.

之所以这样说，是因为,像内隐态度测试这样的实验。

耶鲁公开课 - 心理学导论课程节选

We know why the Republicans lost the May 3 special election in Louisiana's 6th CD.

NPR: Republicans Lose Another GOP House Seat

We know why the Republicans lost the March 8 special election in Illinois' 14th Congressional District.

NPR: Republicans Lose Another GOP House Seat

Now we know why Bill Bradley thinks Democrats should vote for him, and against Al Gore.

CNN: Bill Press: You want nasty? You got nasty