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Idle can-- that's exciting. I hadn't expected that answer. All right, your question.
这很令人振奋，我从没想过答案会这样,好，你有什么问题么？
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Yeah, yeah, you know like, there is always, you know, the issue where there's a lot of students who want space
是，是，你知道，总是这样，你知道，问题在于那么多学生都需要空间，
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So you see a problem like this in the real world; you see a problem on campus you might want to solve.
在现实生活中你会遇到这样的问题;,在学校里看到这种问题时，你会想要去解决它。
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One of the things you should begin to do, is to recognize what identifies those classes of algorithms, so you can map your problems into those ranges.
你们现在开始要做的事情之一，就是要学会辨别这些算法,这样你就能为你的问题，选择对应种类的算法了。
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Then would you be satisfied that this is the right way of thinking about the question?
这样你就满意了吗,这样思考这个问题就可以了吗？
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Once you throw your shield away and you're running, anybody who's got a weapon can take you out, and that's what would have happened. Yeah?
一旦你丢下了盾牌,开始逃跑,任谁拿着武器都能收拾你,战斗中大概就是这样,说说你的问题
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I want it or I disapprove of it and, lo and behold, it's no longer aesthetic. I'll come back to that in a moment, but I hope you can see that that is a distinction between the purposive and the purposeful.
我会产生想法，比如想得到它还是觉得它恶心，你瞧，这样一来就不只是纯审美问题了，我一会儿再回来讲，但是我希望你们现在可以区分,“合目的性“和“目的性“这两个概念了，它们是有区别的。
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But then I ask them to think, and in the book I ask the readers to think: Well, have you given a cost of an expensive pair of shoes to save the life of one of the around 9 million children who are dying from poverty related causes each year around the world?
但是，接着我让他们思考，在书中，我让读者思考这样一个问题：,你有没有捐出过买一双鞋的钱,来拯救900万儿童中的一个生命？,他可能正因为贫困导致的种种问题,而生命垂危，每年世界上都会有这样的儿童？
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Suppose you are interested in investing in debt of companies, then you as an investor are subject to the problem that you might end up with the worst stuff if you don't watch out.
假设你有兴趣投资于公司债权,那么作为投资人你会面临这样一个问题,如果不谨慎,投资有可能会血本无归
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So you build it with a material like silver and gold, and then you encounter the problems of society that your bridge might get stolen because somebody thinks they have a better use for silver and gold than your bridge.
但如果你用金或银这样的材料,你又会面对新的问题,你的桥会被偷走,因为有人认为金和银有比造桥更好的用途
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because then you can solve new problems on midterms and what not if you understand the conceptual part.
因为这样你可以解决中期的新的问题，如果你不理解的话，就不好说了。
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It's only a slight variation that makes it a little bit more polite. A little bit less approaching.
这样轻微的变形可以使你的问题变得更为礼貌，也更为委婉。
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Even in the case of this spring, when you pull it, if you pull it to the right by some force.
甚至是在这样的弹簧问题中,当你拉它的时候,如果你用力向右拉
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Now the question you'd need to ask yourself is how do you know this didn't happen to you last night?
现在你要问自己的问题是,你怎么知道,昨晚你没发生这样的事？
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I want you to draw some conclusions about its authorship and the way it was compiled or composed." And so you pick it up and you start reading and you notice features like this.
关于作者的身份，以及创作的方式,做一个总结,带着这些问题，开始读书的时候，你会发现这样的特点。
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The question becomes how did you address these issues How do you know about them.
这样一来问题就变成了你怎么处理这些问题,以及你对它们了解多少。
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But they also ask questions like, ? "How attractive do you find this person?"
但是他们也会问这样的问题，你觉得这个人多有魅力“
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Ask not what you can do for your country, etc.
不要问你能为你的国家做些什么这样的问题。
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Because you're able to use this questions to soften your speech in asking a variety of different questions.
因为你可以用这样的问句来使你提出的问题更为温和。
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I had to ask them questions like, "What's the best present you've ever got?
我得问他们像这样的问题，“你收到过的最好的礼物是什么？”
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and you're asking them questions like, "Is this good or not good?"
你会问一些问题，例如，“这样做是好还是不好？”
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You don't really puzzle your head about questions of interpretation, how we determine the validity of interpretation and so on, until A) meaning becomes terribly important to you, and B) the ascertainment of meaning becomes difficult.
你一般不会在诠释，和如何确定诠释的正确与否，这样的问题上纠结，除非：1，意义对你来说很重要，2，确定意义很困难。
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And part of it is we want you to learn how to have a catalog, if you like, of different classes of algorithms, so that when you get a problem, you try and map it into an appropriate class, and use the leverage, if you like, of that class of algorithms.
另外我希望你们能学会,如何制作一个关于，算法不同课程的目录，这样当你碰到问题的时候，你可以去找到合适的课程，然后在那门课程中，寻找解决方法。
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If you would like to flag them as private, because you just don't want your classmates to see what you're asking, you can certainly do that.
如果你想要把它们标志为私有的，不想让你的同学们,看到你问的问题，你当然也可以这样做。
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So the problem here, roughly, is given, a number of cities, and say the cost of traveling from city to city by airplane, what's the least cost round trip that you can find?
基本上就是一个这样的问题,你被告知了一些城市,以及在城市之间坐飞机旅行的花费,那一条是你们能找到最短往返路径？
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For example, in the late 1990s, if you were to ask a question--I'm hypothesizing -how likely is it that the Dow will be over 10,000 by the year 2008?
例如,在90年代末,假如有人问你这样一个问题,道指在2008年底前,突破万点大关的可能性有多大
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