But your food shall be the grasses of the field; By the sweat of your brow Shall you get bread to eat" So knowledge or wisdom or perhaps moral freedom seem to come at a very high price.

你也要吃田间的菜蔬;,你必须汗流满面,才得以糊口“,所以，人类为得到智慧，道德自由,付出了极大的代价。

耶鲁公开课 - 旧约导论课程节选

So, now you have to be very promoted, marketed the right way online, as far as viral,

所以，你现在必须在网上以正确的方式做好宣传，做好营销，像病毒传播一样，

音乐市场的变化！ - SpeakingMax英语口语达人

hi3 Whereas Hi3, I just created, it happens to live in this directory but my computer doesn't know that so you do dot slash which says current directory.

至于我刚刚创建的,它正好位于我电脑不知道的位置,所以你必须敲入，/，这代表当前目录。

哈佛公开课 - 计算机科学课程节选

So, if you want to designate anything it has to be by tangible things like pottery,particularly painted pottery,because it's easier to categorize.

所以 如果你想标注某段时期,你必须借助有形的事物,就像陶器,尤其是彩绘陶器,因为它们更容易分类

耶鲁公开课 - 古希腊历史简介课程节选

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

If you buy a house and you don't pay the mortgage, the contract says you lose the house-- you're out--you've got to pay or it goes back to the mortgage originator.

如果你抵押贷款买房,却没有还房贷,贷款合同规定,你将被取消赎回权,失去房子,所以你必须偿还贷款,否则你的原始贷款人就会收回房子

耶鲁公开课 - 金融市场课程节选

Have to add some extra points.

所以你必须添加额外的分数。

耶鲁公开课 - 死亡课程节选

They had to give some of them the real vaccine and some of them a placebo vaccine in order that they could really tell if the vaccine worked; you have to have it placebo controlled.

研究者们还须给部分孩子接种真正的疫苗,给另外一些孩子接种空白疫苗,以分辨疫苗是否真的有效,所以你必须使用安慰剂作对照

耶鲁公开课 - 生物医学工程探索课程节选

So you really want to think about that trade off.

所以你必须权衡中间的利弊。

麻省理工公开课 - 计算机科学及编程导论课程节选

So you have to know the logic.

所以你必须搞清其中的逻辑关系

耶鲁公开课 - 基础物理课程节选

so you kind of have to live life open for a new course of direction

所以你必须为了一个新方向生活得开放一点，

为我的生活 - SpeakingMax英语口语达人

and you have to travel a lot, so it's a nice location.

你必须大量出差，所以位置很好。

比利时和美国的差异 - SpeakingMax英语口语达人

So you have a tradeoff almost it's almost like a Yin and a Yang.

所以你必须做一个抉择，就像阴阳之间的。

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

So once you look at Star Festival then you can think about the questions you have to answer and then question maybe the same thing I ask myself: who am I? While maybe some other questions.

所以当你看“七夕“的时候,你可以考虑你必须要回答的问题,这个问题有可能是我问自己的那个同样的问题：,我是谁？或者其它的问题。

麻省理工公开课 - 媒体、教育、市场课程节选

So you have to try. That's the thing.

所以你必须努力。就是这样的。

就业很难 - SpeakingMax英语口语达人

But because we're now programming a computer at a lower level and because as we said last week, you really have to be precise and then careful to instruct this machine, this fairly dumb machine that will only do what you tell it to do very specific instructions, do we have to use a more precise syntax than just a puzzle piece might have previously allowed.

但是我们是要在电脑的低平台上编程不是吗？,那我们就要像我上周提到过的那样，一定要小心，小心，再小心地,操纵这台又聋又哑的机器,它只会根据你敲进去的,特定指令来做事，所以我们必须使用非常精细的语法,而不是模模糊糊，让人费解的概念。

哈佛公开课 - 计算机科学课程节选

The red blood cells that carry oxygen only live within your circulation for about a month and so you have to continually be replacing cells that are dying and so there are cells that are proliferating.

携带氧的红细胞,在你的循环系统中的寿命只有一个月,因此你必须持续不断地更新衰老的细胞,所以就有在增殖的细胞

耶鲁公开课 - 生物医学工程探索课程节选

Whereas CS50 is not nearly as popular a library in the world, -lcs50 and so you'll have to explicitly say dash L CS50.

但是CS50库就没那么出名了，所以你必须在后面清清楚楚地添上。

哈佛公开课 - 计算机科学课程节选

Aha! So to study and grasp things about dead bodies, corpses, you must yourself be a dead body.

所以为了研究并掌握关于尸体的知识,你自己必须先是一具死尸

耶鲁公开课 - 死亡课程节选

So you have to somehow convert the source code, the C code into 0s and 1s and for that process there exist this tool called a compiler that someone else wrote that takes this stuff as input and produces this stuff as output.

所以你必须把源代码，即C语言代码转换成二进制文件,这个过程就需要我们提到的编译器了,它是由别人编写的一个软件，以这些代码作为输入,将会产生的输出。

哈佛公开课 - 计算机科学课程节选

So it's got to look at least somewhat like the missing friend.

所以它必须有点像你想念的朋友

耶鲁公开课 - 死亡课程节选