In very severe cases, it can even defile some common objects, and in those cases, the source of impurity might have to be isolated or excluded if necessary.

在一些非常严峻的情况中，它会玷污一些普通的事物，在这种时候，不洁之源,也许只能被孤立，严重的话需要驱逐。

耶鲁公开课 - 旧约导论课程节选

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

Either people in these populations were malnourished or they had to find supplementation for these super foods in order to survive.

人们需要在超级食物之余补充额外营养,否则就会营养不良

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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

I have to read these lines again: "And when they list, their lean and flashy songs grate on their scrannel Pipes of wretched straw."

我需要再读一遍这些句子：,“当他们列举出他们贫瘠而浮华的歌颂时“,亦显示出卑鄙无能的低劣之声“

耶鲁公开课 - 弥尔顿课程节选

Now, the most interesting one for our class the equation of state that's the most interesting, is the Van der Waals equation of state, developed by Mr. Van der Waals in 1873.

由范德瓦尔斯在1873年发展起来,这个方程的美妙之处，在于它只需要两个参数，下面我们来研究一下。

麻省理工公开课 - 热力学与动力学课程节选

The price of paper fell and created opportunity for record-keeping, which was very important because that's what finance is built-- you need financial records.

纸价下跌,从而使得纸质记录成为了可能，这点至关重要,因为这是金融立身之本-,人们需要财务记录。

耶鲁公开课 - 金融市场课程节选

Maybe there are certain supernatural things about communication from the dead or near-death experiences that need to be explained in terms of the soul.

也许有某些超自然的关于,亡者或是弥留之人的交流,或是,濒死体验,需要借助灵魂才能解释得通

耶鲁公开课 - 死亡课程节选

In terms of cost to institute this, the upfront cost to build classrooms, to accommodate this kind of structure, we need two classrooms that hold 170 students a piece to do this.

关于建这个项目的成本，最主要的就是搭建教室，使之适应这种教学模式，我们需要两间能装170人,的教室来上这种课。

麻省理工公开课 - 媒体、教育、市场课程节选

But as you know, for you own vision is not something that you reason about.

但是，众所周之，我们对于视觉本不需要推理。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

I find that even ten minutes to start with or even five minutes to start with is like a completely legitimate time, time well spent, just breathing, even with eyes open, I think it's harder when with eyes open, maybe that's something you lead up to.

从十分钟开始,甚至是五分钟,这段时间合情合理，真正被利用了，只需呼吸，甚至可以睁开眼，睁着眼睛会增加难度，你也需要为之努力。

普林斯顿公开课 - 人性课程节选

And so in Exodus 23, you're going to have a law that tells you not to oppress a stranger because you were a stranger. It tells you to not plow your land in the Sabbath year immediately following that to let the poor and needy eat from it. It tells you to observe the Sabbath day rest.

在《出埃及记》第23章，你会看到有法令告诫你不要,欺压外人，因为你自己也是外人，也有法令告诫你,在安息日不要劳作，随后将收获的庄稼赠给穷苦之人,和有需要的人吃，告诫你守安息日。

耶鲁公开课 - 旧约导论课程节选

Even the Platonic just city will have to cultivate warrior citizens who are prepared to risk life in battle for the sake of their own city.

就算是柏拉图式的正义之城,也都还需要培养战士,一群准备好以生命作赌注,来捍卫其所属城市的公民。

耶鲁公开课 - 政治哲学导论课程节选

The reason for that complexity is because your immune system needs to be able to respond to all the potential foreign invaders that we could encounter.

整个系统之所以如此复杂是因为,免疫系统需要应对所有,我们要面对的来犯之敌

耶鲁公开课 - 生物医学工程探索课程节选

But along with this conceptual framework, provided by none other than Thomas Hobbs in England, who had lived through the English Civil War and thought that you shouldn't mess around with this rights business, you need some sort of big powerful monarch there-- but there was a sense inherent in all of this.

但与之同存的另一种观点,是英国最具代表性的托马斯·霍布斯提出的,他经历过英国内战,且认为君主不该滥用手中权力,你需要的是一个有权利的君主,但这其中有一些内在的概念

耶鲁公开课 - 欧洲文明课程节选

Their yell at the top of the world seems to Sal something that calls for a replacement; it calls for some other prophet to come walking ragged towards them and make them fall silent with his word.

他们在世界之巅的叫喊对Sal来说,似乎是在要求一个代替者;,需要另一个先知衣衫褴褛地朝他们走来,用他的话让他们安静。

耶鲁公开课 - 1945年后的美国小说课程节选

I'm going to start with those and then I'll turn, eventually, to another set of possible things that might need explaining, which we might think of as extraordinary, supernatural things.

我将从这里开始,然后转而讨论,另一些,需要给予解释的现象,那些我们可能视之为异乎寻常的,超自然现象

耶鲁公开课 - 死亡课程节选

This is why even the best city, even Kallipolis will require, as he spends a great deal of time discussing, will require a warrior class, a class of what he calls "auxiliaries."

这就是为何就算是最优之城，就算是，Kallipolis，仍需要，如他费时讨论，都还是需要战士阶级，一个他称为，“后备的，“阶级“

耶鲁公开课 - 政治哲学导论课程节选

You just need to come up with a convention that maps the numbers that are very easy for a computer to store.

你只需要提出一个使之与数字对应的协定,那样计算机就可以方便地存储它们。

哈佛公开课 - 计算机科学课程节选