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They are quite distinct from each other, and you should be able to manage with that final exam without undue difficulty.
它们都各有特点,你需要在期末考之前解决所有困难。
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Maybe you should leave before it gets too dark, so that you don't have to walk too far.
也许你该在天黑之前就动身回去了，这样你就不用走那么远了。
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He says,But because I'm a generous mad scientist, before I torture you,what I'm going to do is give you amnesia.
但因为我是宽厚的疯狂科学家，在折磨你之前，我会先让你失忆。
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Audience: Hi Steve. So earlier in your presentation, you're talking about that it was a great time for innovation and all these ideas were happening and I'm sure you'd seen a lot of these ideas happened over your years at Microsoft.
观众：你好史蒂夫，你之前讲了，你在谈的是现在是创业革新的好时期,各种想法都在萌芽，我想你在微软,工作多年肯定见识过很多很棒的点子。
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And then as soon as the function returns, you kinda have to unwind but remember where you were just a moment ago.
一旦函数返回,你必须记得之前在哪个位置。
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I want to get back to a little bit of your original... what you were doing before seminary.
现在让我们回头谈谈你在。,神学院之前都做了哪些工作？
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Finally, in the examples we're giving, whenever the pig does something you like you reinforce it.
最后，在我们之前提到的例子里，每当那头猪做出让你满意的行为,你就会强化它。
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We'll look at the functions you mentioned one by one in a little bit.
我们在晚一点的时间里,会看看你之前提到的任务。
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so it's... pretty near finals. So you can drop any classes you want up until the drop date with like no penalty.
所以……蛮接近期末考试的。所以在退课日之前你可以不受任何处罚退课。
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And they want to be sure that before you get married, you can do things in the house.
他们想在结婚之前确认，你能做家务。
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And the customer in front of you in line has so many items to check out.
排在你之前的客人买了很多东西需要结账。
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And if they can't answer that question, I say well, before you even run it, have an answer to that.
如果他们没法回答这个问题的话，我会说好吧，在你运行实验之前，先回答这个问题吧。
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You might have thought before we started talking about molecular orbital theory that non-bonding was the opposite of bonding, it's not, anti-bonding is the opposite of bonding, and anti-bonding is not non-bonding.
你也许在我们讨论分子轨道之前,就想过非成键时成键的反面，它不是，反键才是成键的反面，反键不是非成键。
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You can find the equation, but you've got to think a little bit before you solve everything.
你能写出方程式,不过在解题之前你最好能稍作思考
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Setting yourself up before the fact so that you can win an argument after the fact, so that you didn't--you just got unlucky.
在事实发生之前先给自己预设一下结局,你就能在事实发生之后赢得一场争论，所以你并不是不能做到-，只是不走运而已。
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You've got to learn to crawl before you learn to run.
在你学会跑之前你得学会爬。
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So, if language seems exhausted because it's always preceding you, everything has always already been said, there's no new plot to be had, the world is full of stock phrases, how do you use them to embody an experience that seems fresh to you?
所以，如果因语言，在你之前就存在，而它就显得枯竭，如果一切都已经被说过，如果已没有新的情节可供创造，如果世界一直充满陈腔旧调，你如何能够用它们,呈现出一个崭新的体验？
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Maybe you have a friend who met somebody at a club who was very good looking,
也许你有个朋友之前在俱乐部见到了一个长得非常英俊的男人，
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After your entrance here, what kind of process did you go through before starting your classes?
在你被录取后，但还没有正式上课之前，你都经历了什么呢？
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Use this pattern in any situation where you want to explain you've done it before.
当你想解释之前已经做过某事的时候，可以在各种情形下使用这个句型。
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Is it okay if we do this every day until my car is fixed?
在我车修好之前，我能每天都像这样用一下你的车吗？
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When you're serious, any way to win will do, but mostly you could make a virtue of a necessity.
一旦你较真,你会为了胜利不择手段,但通常你会在之前进行道德的考虑
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So, it's awkward to have to wait for a cow to get infected before you can vaccinate a population.
在给人们预防接种之前,你只有干等着,直到有一头奶牛感染了病毒才行
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After I give you amnesia,before I torture you, Linda I will drive you insane and make you believe that you're Linda.
在我让你失忆和折磨你之前，我会先把你逼疯，让你相信你是。
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So it's a useful way of not quite knowing in advance what you want to put in a string, but being able to create strings, phrases, sentences, dynamically.
这是一个很有用的方法，如果你之前不是很了解,在句子中要加入什么，但是这个方法可以,动态地创建字符串，短语，句子。
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That has to do with what kind of human-being you want to be before you die.
而与你在死之前到底想做,一个什么样的人有关。
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You also have experience of that because you came from New York University, in fact you still serve at New York University.
你也一定有类似的经历吧,因为你之前是在纽约大学读书，先在也在纽约大学留任了。
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Have people you could talk to when the--prior to the exams or— she's patting somebody next to her.
这样,在考试之前,你就能和大家一起讨论,她拍了下她旁边的人
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It's a common mistake to make if you forget that I've actually declared that variable up top, but wait a minute, I know any time that I use a variable, I have to declare it.
这是一个通常犯的错误，如果你忘了,之前在前面已经声明了这个变量，等等，我知道在任何时候,我使用一个变量，我必须声明它。
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