In other words, for an electron donor to give up its electron, the electron donor needs to have an electron acceptor.

换句话说，如果一个电子给体要失去电子，它就必须找到一个电子受体。

麻省理工公开课 - 固态化学导论课程节选

I think salad needs to have a lot of dressing on it to give it any kind of taste, otherwise it's too bland.

我觉得沙拉上面应该有很多沙拉酱，来丰富它的口味。不然的话，就淡而无味了。

Would you please 实战 - SpeakingMax英语口语达人

The realization that I think everyone needs to have about that latter option, putting it on the shelf, is that you can come back to it.

我觉得人们选择,选择后者，就是暂时搁置，以观后效，的时候，是因为这样可以重新审视它。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

Because you trust biomedical engineers to have done a good job in designing these things and we'll talk about how biomaterials are designed and tested, and what makes a material, the properties of a material that you could use as a contact lens, what are the properties that it needs to have.

因为你深信生物医学工程师们,在设计这些材料时,已经做了充分的工作,我们会讨论如何设计和测试这些生物材料,什么材质具有,能够用来,做成隐形眼镜的材料的属性,它们需要具备的特性究竟是什么

耶鲁公开课 - 生物医学工程探索课程节选

And then it needs to have access to that, so it calls it, passing in self as the pointer to the instance.

把self作为指向这个实例的，指针传了进去，也就是，它的意思是现在。

麻省理工公开课 - 计算机科学及编程导论课程节选

But you do have the ability to affect public policy to an extent that it will be sensitive to the needs and issues of Muslims face.

不过你却有能力,在一定程度上影响国家政策,使其对穆斯林的需求与问题更加敏感。

普林斯顿公开课 - 人性课程节选

Now The Wasteland was the first poem to have footnotes, and you have to ask yourself: what do you have to think the poem is in order to think that it needs footnotes?

荒原》是第一首有脚注的诗歌，所以你们需要问问自己：,这首诗究竟有什么特别,而使得它必须要有脚注呢？

耶鲁公开课 - 1945年后的美国小说课程节选

So let me play this, so we may need to have high volume on this because this is pretty--this is--needs a little more volume .

接下来我要开始放了,音量可能要高一点,因为这很,这个视频的音量要高些

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But we also know there needs to be space for other conversations. In fact I think many of the conversations are that they have started on the community action trip that they might take as they enter freshman year or the outdoor action trip or other informal ways of making connections.

但是，我们也知道，他们也需要,进行其他对话的空间，实际上,我认为这些对话发生在很多活动中,比如说，学生们在大一时可能参加的,一些社区活动,或者是一些课外旅行,或者是其他一些娱乐交流活动。

普林斯顿公开课 - 人性课程节选