现在假想有人需要心脏或者肺部移植，或者肝脏移植。

Now, imagine that we've got somebody who needs a heart transplant or a kidney transplant, or liver transplant.

youdao

当学校里的每个学生都穿校服时，没有人需要担心时尚，并且他们觉得自己属于一个团体。

When every pupil in the school wears the uniform, nobody has to worry about fashion and they feel that they belong to a group.

youdao

只要没有其他人需要它，你可以借它一整年，但有人需要了，则可能会是社会学系的一位教授需要。

You can keep it all year as long as no one else requests it, but someone else has, it looks like one of the professors in the sociology department.

youdao

The instruction I always give at Buddhist student group meetings whenever somebody comes in and needs instruction, they're pretty simple.

在佛教学生社团聚会时,每当有人前来，需要指点时,我都会给一些建议，都很简单。

普林斯顿公开课 - 人性课程节选

It turns out they're relatively simple to find even -- when they've been deleted whether accidentally - or in some cases intentionally-- that too is part of the job undeleting things that people had deleted.

原来，这些图片的模式很容易找到,即使他们已经被删除,无论是因为意外还是有人故意为之-,要恢复已删除的东西,需要做这部分的工作。

哈佛公开课 - 计算机科学课程节选

You know some people need money to be satisfied or fulfilled.

你懂的，有人需要赚钱,才会感到满足或实现了自我。

普林斯顿公开课 - 人性课程节选