“我们只知道这是应该做的事情”，他说。

"We just knew it was the right thing to do," he said.

youdao

如果这是应该做的事，什么能阻止你这样做呢？

If that's the right thing to do, what's to prevent you doing so?

youdao

一旦我们的兄弟姐妹们需要，我们就会卷起袖子大干一场—不是为了表扬和奖励，而是因为这是应该做的。

When our brothers and sisters are in need, we roll up our sleeves and get to work – not for the recognition or the reward, but because it's the right thing to do.

youdao

We have two rationales there; one is the explicit rationale of imitatio dei. This is what I do and this is what you should do.

这里我们有两个理论基础，一个是对效法经的明确阐述,它告诉你这是你做的事，这是你应该做的事。

耶鲁公开课 - 旧约导论课程节选

Something that everybody should really consider doing, you know.

这是一件每个人都应该考虑做的事。

想当军人的理由 - SpeakingMax英语口语达人

So first of all, I've got to be careful about the end test. But the second thing is, OK, if it stops whenever this is less than two, am I convinced that this will always halt?

小心最后一次比较,其次，如果少于两个元素程序停止了,我们能确信这总是应该终止的么？,答案是肯定的，因为我在做什么？

麻省理工公开课 - 计算机科学及编程导论课程节选