Rule for taking derivatives, if you want to do this mindless application of calculus, you can do it.

按求导法则来做,如果你想解决这个微积分的简单应用,你可以很容易做到

耶鲁公开课 - 基础物理课程节选

You use "I can't help but" when you feel helpless, when you want to get something across that needs to happen.

当你觉得无助时，或者当你说明需要做到这件事情的时候，你就可以使用“I can't help but”句型。

I can't help but 课堂 - SpeakingMax英语口语达人

This is not like you give half of yours, this is something we can really do.

并不是说你捐出一半，我们真的可以做到。

普林斯顿公开课 - 人性课程节选

If you can do all that, I think the chances are that you're going to hit a lucky streak because luck comes and goes.

如果你可以做到这些，我认为你很可能要,运气连碰了,因为运气总是来来去去。

耶鲁公开课 - 金融市场课程节选

You know, you can see what's going to happen.

你可以看到这是怎么做到的。

麻省理工公开课 - 计算机科学及编程导论课程节选

All you have to do is mutate the DNA, which is very straightforward to do in molecular biology, and now you can tag absolutely any protein that you're interested in.

你所需要做的就是使DNA变异，这在分子生物学力是很容易做到的，你可以用它标记,任何你感兴趣的蛋白质。

麻省理工公开课 - 化学原理课程节选

And so do these three things, if you don't get an "A" then you can come back and talk to me about it later.

并且如果你做到了这三点,而没有得A的话,你可以在出成绩以后过来找我

耶鲁公开课 - 生物医学工程探索课程节选