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

需要使人们明白建立一个新体系的必要性。

People need to be satisfied of the need for a new system.

《牛津词典》

科罗拉多大学的鲍尔奇教授说，与此同时，人们一直把火当作一个需要完全控制且只有在必要的情况下才会让其释放的事件。

At the same time, people continue to treat fire as an event that needs to be wholly controlled and unleashed only out of necessity, says Professor Balch at the University of Colorado.

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

And he said:" But every organization need refreshing. You refresh it as you think you need to do."

但他说每个组织机构都需要更新,所以你要做的,就是进行你认为必要的调整“

普林斯顿公开课 - 国际座谈会课程节选