The traveling salesman problem is a favorite math conundrum: if a salesman has to visit a bunch of cities, how do you get him to all of them once via the shortest possible route.
旅行推销员问题是一个最受人喜爱的数学难题：如果一个推销员不得不访问几个城市，怎样走最短的路线使他一次到达这几个城市。
And with any given math problem, just like in programming, there's more than one way to do it.
和编程一样，一些给出的数学问题，不止一种方法可以去解决它。
And with any given math problem just like in programming there's more than one way to do it.
和编程一样，一些给出的数学问题，不止一种方法可以去解决它。
And with any given math problem, just like in programming, there's more than one way to do it.
一些给出的数学问题，也正如编程，不止一种方法可以去解决他。
You might have to do a math problem a few times before you get it right.
你可能要把一道数学题做几次才把它做对。
To my amazement, he has worked out the math problem that our math teacher couldn't do.
令我感到诧异的是，他已经做出了那道连数学老师都不会做的数学题。
You might have to do a math problem a few times before you get it right, or read something a few times before you understand it, or do a few drafts of a paper before it's good enough to hand in.
一道数学题，你也许不得不多做几次才能做对；一段文章，你也许需要多读几次才能理解；一篇作文，你也许需要改动多次才可以称得上完美，可以交卷。
You might have to do a math problem a few times before you get it right, or read something a few times before you understand it, or do a few drafts of a paper before it's good enough to hand in.
一道数学题，你也许不得不多做几次才能做对；一段文章，你也许需要多读几次才能理解；一篇作文，你也许需要改动多次才可以称得上完美，可以交卷。
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