她的丈夫认为她没有必要工作，因为这个家庭不需要额外的收入。

Her husband feels it's unnecessary for her to work since the family does not need the added income.

youdao

没有必要出去找你讨厌的人，但你需要做一些自我评估，以确定你的思考模式中的哪些地方已经变得陈旧。

There's no need to go out and find people you hate, but you need to do some self-assessment to determine where you have become stale in your thinking.

youdao

他需要了解你系统的技术性细节，并获得必要的特定设备来干扰你的特定程序。

He's going to need to know the technical details of your system and acquire the specific equipment necessary for jamming your specific setup.

youdao

Well--just like we didn't have to follow the parts of the body that aren't essential for housing the personality.

我们不需要去管,那些对于储存人格特性并非必要的,身体部位。

耶鲁公开课 - 死亡课程节选

What exactly that purgation will entail and why Milton's voice needs to be purged at all I think these questions are really the subject of the entire rest of the poem.

这种净化是很有必要的,弥尔顿的语言为什么需要被完全净化,我认为这个问题才是所有剩余诗歌,真正的主题。

耶鲁公开课 - 弥尔顿课程节选

Inside the suitcase is a plain piece of white paper and the children were asked to draw the things they think they would need on the trip. Sometimes they get they wouldn't need.

行李箱里面是一张普通的白纸,我要求孩子们,在纸上画出他们认为必要的,旅行用品，有时候他们画出来的并不需要。

麻省理工公开课 - 媒体、教育、市场课程节选