在20世纪50年代中叶，我是一个有点无趣的学生，当时认为做任何不必要的事都是浪费精力。

In the mid-1950s, I was a somewhat bored student who believed that doing any more than necessary was wasting effort.

youdao

做任何必要的事去满足这些需要。

Do what is necessary to meet those needs.

youdao

从你的工作日程中去掉那些重要但非必要的事，尝试一天，不要再想它们。

Clear important, but unnecessary items off your schedule for a day - and let them go.

youdao

Eliot was there, in that essay on the metaphysical poets that I'm quoting from, defending as necessary what is the primary characteristic, not only of his own poetry, but really of modern poetry generally, what is often called its difficulty.

艾略特在描写那些抽象派诗人的文章里,就是我引用的那篇，极力维护,诗人的首要特征，不仅是因为他自身的诗性，更因为维护现代诗歌的必要，这是非常困难的一件事。

耶鲁公开课 - 现代诗歌课程节选

you tell them that this is something that needs to happen.

你告诉大家这件事有发生的必要。

It's important 课堂 - SpeakingMax英语口语达人

This is going to affect the world; it's going to affect world economies; it's going to affect world politics, the balance of power and things like that, so it's important that we understand it.

这会影响全世界,会影响世界经济,会影响世界政治和权利的均衡,以及类似的事情,懂得这件事是很必要的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选