你的身体就像其他机器一样，偶尔也需要一次全面保养。

Your body, like any other machine, needs a full service once in a while.

《柯林斯英汉双解大词典》

社区领导人说需要进行一次彻底的部门大改组。

Community leaders say a complete departmental shake-up is needed.

《柯林斯英汉双解大词典》

他们需要更多的时间来考虑是否进行一次调查。

They needed more time to consider whether to hold an inquiry.

《柯林斯英汉双解大词典》

The idea behind all these algorithms is that what's ultimately important is how many comparisons you ultimately need to make.

这些算法的思想是,你最终需要做多少次的比较,这才是真正重要的。

哈佛公开课 - 计算机科学课程节选

And in fact in one with the girl describing her side, she several times emphasizes this need for protection, need to be free from being torn down from people around them.

事实上像一个女孩子表达的那样，她好几次强调了需要保护的愿望，需要逃离那些打倒她的东西,逃离身边的人们。

麻省理工公开课 - 媒体、教育、市场课程节选

And I had mentioned several times thatyou do not need to memorize the majority of the equations and you don't need to memorize any physical constants.

另外我已经提过好几次了,绝大多数的公式大家都不需要去背,也不用去记任何物理常数。

麻省理工公开课 - 化学原理课程节选