I don't expect you'll all immediately grab it, but you will need to understand it before the quiz comes along.

我不期望你们马上就能掌握，但是你们需要在,考试前弄懂它。

麻省理工公开课 - 计算机科学及编程导论课程节选

Yeah, but I think it's also an important skill. You need to be able to express what you know

难，但是我也觉得这是一种重要的技能。你必须能够把你知道的表达出来，

沟通很重要 - SpeakingMax英语口语达人

It's very exciting, but if you think you know everything you don't need to learn, you don't belong to us. I always need to learn.

这很令人兴奋，但如果你认为,你什么知道，你不需要学习了，那么请你退出百度，因为人总是在学习。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

You actually need to kind of do this and then you can swap these two numbers but it requires 50 percent more memory.

你实际上需要这样做,然后才能交换两个数字,但是它需要多50%的内存。

哈佛公开课 - 计算机科学课程节选

But now, when you need more, you can't just say I only want the best bottom land there is.

然而当你需要更多土地时,你不能张口就要这片地区最富饶的土地

耶鲁公开课 - 古希腊历史简介课程节选

And we haven't talked about reactions at all yet, so you don't need to worry about the specifics of that exactly, but just that if you have this negative change in energy, you have a more stable product than you do reactant.

当然我们还没有开始讨论反应，所以你不用担心它的细节是怎么样的，你只需要知道，如果能量的变化是负值，那么你将得到一个比反应物更稳定的生成物。

麻省理工公开课 - 化学原理课程节选

I know it's boring, but we need to do it so you know what the ground rules are.

我知道这很无聊，不过为了让你们了解规则,我们必须得做这个。

麻省理工公开课 - 计算机科学及编程导论课程节选

You need to make your case succinctly and effectively, but you always get a hearing including me.

你需要把你的意见,表达得简洁有效，总统总会听取别人的意见，包括我。

普林斯顿公开课 - 国际座谈会课程节选

But at this point,you begin to wonder, maybe we just need to learn to live with it.

但在这个点上，你会想，也许我们就要学会接受这个现实。

耶鲁公开课 - 死亡课程节选

But for right now, all you need to know is that all of these generals, although they were Macedonians and spoke Macedonian and not themselves Greek, but they had, just like Alexander, they had adopted Greek language, Greek culture.

不过目前，你们只要知道所有四位将领，虽然都是马其顿人，说马其顿语,不是希腊人，但是他们和亚历山大一样，使用希腊语，希腊文化。

耶鲁公开课 - 新约课程节选

I kind of knew what I was doing when I walked down that road but anyway-you need to have a mix, even in a big company, of smaller entrepreneurial projects, bigger entrepreneurial projects.

当我开始创业的时候，只是了解一星半点,但是你们需要把各种事物综合来看，即使在大公司也是这样，把类型不同的创业共同对待。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

I had a picture of the Lowell Mills insignia but you don't need that.

我还有一张是关于,洛厄尔.米尔斯的徽章的,但是我们用不到它

耶鲁公开课 - 美国内战与重建课程节选

Not because you necessarily need it at the moment but your brain tells you you may need it later and so eat, eat, eat becomes the priority.

并不是因为当时真的需要,但你的大脑告诉你,你以后可能会需要,所以吃吧,先吃了再说

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 you see, no need to talk anymore and further."

可是你瞧，不需要再说什么了，再不需要了“

耶鲁公开课 - 1945年后的美国小说课程节选

How do you deal with that trade-off where you absolutely need an ad sales force but at the same time, if one person at a time, you just can't say let's go out and hire five good engineers or five good ad sales people and not have them be great?

如何做出选择，如何取舍,当你急需一批销售人员，但如果只碰见一个合适的人选，你不只能因此去找,5个差不多的工程师,或者5个差不多的广告销售？

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

Right, but what instruments will you need to measure it?

对,但你需要用什么仪器来测量呢

耶鲁公开课 - 基础物理课程节选

I think this is a case where they need help, not deserve it, but I think, again, if you had a certain level of requirements to meet sustenance, you're gonna need help, like, if you don't have food or a place to live, that's a case of need.

我认为这个例子中，他们需要帮助，但并不他们是应得的，不过我认为，如果你在一定程度上需要他人救助以维持生计，你就需要别人的帮助，比如，如果你没东西吃，没地方住，这才是需要帮助。

耶鲁公开课 - 公正课程节选

But they know that we need the transportation and that we will pay for it, so there you go.

但他们知道，我们需要交通工具，我们会为之付钱的，所以你就知道了。

纽约的交通手段 - SpeakingMax英语口语达人

But that way you can give me Monday to change your section if you need to, which I hope you won't.

如果需要的话，你们可以在周一换组，虽然我不希望你们改。

哈佛公开课 - 幸福课课程节选

You could look at what it does but babies are not very coordinated or skilled so you need to use clever methods.

你可以观察婴儿,但婴儿不怎么配合,或者说他们的言语技能并不熟练,所以你必须要用精巧的方法才能做到

耶鲁公开课 - 心理学导论课程节选