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

Well, that's pretty difficult. It, you know, I think it's easiest to do that in sort of an informal way.

分配起来确实挺困难的。你知道的，以一种非正式的方式反而更容易做到。

有趣的室友们 - SpeakingMax英语口语达人

Whereas If our engine is large, we are much more likely to get up that hill, and to do it gracefully with relative ease.

但如果我们的引擎够大，要上那山就容易得多，不费吹灰之力就能做到。

哈佛公开课 - 幸福课课程节选

So it's easy to see why we might be tempted to say no mere machine could think or reason or have beliefs or desires.

所以很容易明白,为什么机器无法做到,我们刚才讨论的那些特质

耶鲁公开课 - 死亡课程节选

It's simple whether that you walk to work, or you take 20 minutes during your lunch break to walk around the gorgeous campus or town that we are live in.

这很容易做到，无论你是走路上班，还是每天午休时花上二十分钟,在美丽的校园,或是你所在的城市转一转。

普林斯顿公开课 - 人性课程节选

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