它们帮助我们把精力集中在一个问题上，这样我们就可以处理它。

They help us to zero in on a problem so we can deal with it.

youdao

我们应该学好英语，这样我们就可以把中国的故事讲给世界听。

We should learn English well so that we can tell China stories to the world.

youdao

避免噪音污染，这样我们就可以生活在一个安静的环境中。

Prevent noise pollution, and we can live in a quiet environment.

youdao

We could get away with just 23 Sodium you could write sodium like this.

从23，钠，我们就知道了,你就可以像这样写钠。

麻省理工公开课 - 固态化学导论课程节选

If I had taken as my interpolation scheme, my white curve here, I could go to infinity and have the equivalent of absolute zero being at infinity, minus infinity.

要注意，如果我们采用，像图中白线这样的插值方案的话,我就可以一直降温下去,相应的绝对零度点。

麻省理工公开课 - 热力学与动力学课程节选

I have no idea what's here at the moment so I'm just going to draw a question mark because that memory might have been used previously for some other purpose, but we know it's currently available to us so we have four bytes of memory.

我不知道在此刻这里是什么,所以我画一个问号，因为那块内存可能在之前,为其它的目的而使用过，但是我们知道它可以为我们所使用,这样我们就有4个字节的内存。

哈佛公开课 - 计算机科学课程节选