坚持是世界上最简单也是最困难的事情，因为每个人都可以做到，但不是每个人都会做到。

Perseverance is the simplest yet most difficult thing in the world, because everyone can do it, but not everyone will do.

youdao

我想让你们了解最简单的反三角函数，但不需要了解太多。

I would like you to know the easiest inverse trig functions, but not much.

youdao

如果你是外出就餐，快餐店往往是最便宜的选择，但不幸的是，它通常不是一个健康的选择。

If you are eating out, fast food restaurants are often the cheapest option, but unfortunately, not usually a healthy one.

youdao

And I don't know why, but since time immemorial that is the way computer scientists have drawn trees.

叶子是在最下面的，我不知道为什么,但从记事以来他们就是这么画树的,这也许就是为什么我们。

麻省理工公开课 - 计算机科学及编程导论课程节选

Perhaps we want to write like Shakespeare, maybe we want to be a writer like the great Old Testament prophet Isaiah. But the last thing we should be burdened with, Milton's suggesting here, is the fear of being late.

也许我们想向莎士比亚一样，也许想成为,伟大的旧约先知以赛亚,但弥尔顿说我们最不应该被，担心迟到所困。

耶鲁公开课 - 弥尔顿课程节选

My friends in Britain, and of courese, Britain is our oldest, one of, it's not our oldest ally but it's certainly one of our closed allies.

我在英国的朋友，当然，英国是我们最早，不，它不是我们最早的同盟国,但它是我们最紧密的同盟。

普林斯顿公开课 - 国际座谈会课程节选