They are motivated by a need to achieve.

他们被成功的需要激励着。

《柯林斯英汉双解大词典》

There is a need to sharpen the focus of the discussion.

有必要使讨论的焦点更加集中。

《牛津词典》

There is a need for greater diversity and choice in education.

教育方面需要更加多元化和更大的选择性。

《牛津词典》

Doctor Selanikio says he first recognized a need when he worked for the United States Centers for Disease Control and Prevention.

VOA: special.2010.05.03

They might articulate a need or a desire, but what we have to do is understand all the technology ingredients and how they're evolving.

他们可能会提出要求或是愿望，我们所要做的事情是搞懂,所有技术成分，以及它们如何演变。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

Remember that you can use it to express a need for you to do or have something,

记住，你可以用它来表达你做某事或得到某些东西的需求，

I need 课堂 - SpeakingMax英语口语达人

The government does not think there is a need to change the level of parking fines.

BBC: Fixed Penalty Notice motoring fines may rise to ?90

We saw a need to develop a community for artists to get their music out to the masses.

FORBES: Q&A: MySpace Founders Chris DeWolfe And Tom Anderson

Supporters of Cuomo's proposal also see a need to protect women in the event Roe v.

WSJ: Cuomo to push his abortion proposal amid obstacles