来自《耶鲁大学开放课程：基础物理 第1集 第1集》

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  in finding the most simple way to understand something.
  我们会很有成就感
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  That's certainly my trademark;
  这就是我的准则
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  that's how I do my research also.
  也是我做研究的方法
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  So, if you feel there's not enough math used,
  如果你觉得我用的数学太少
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  I guarantee you that I certainly know enough eventually
  我可以保证 我知道的数学知识
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  to snow the whole class, but that's not the point.
  足以难倒在座的所有人 但这不是重点
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  I will use it in moderation and use it to the best effect
  我会适量的运用数学以达到最佳的效果
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  possible rather than use it because it is there.
  而不是为了数学而用数学
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  So I don't know your mathematical background,
  我不太清楚你们的数学功底
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  but the textbook has an appendix,
  但教材上有附录
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  which is a reasonable measure of how much math you should know.
  它能清楚地告诉你 你应该掌握多少数学
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  You've got to know your trigonometry,
  你们得懂三角学