• General Stanley McChrystal says there is no simple solution in Afghanistan.

    VOA: standard.2009.10.01

  • The solution is so simple, give us $2, we'll give you a ticket and yet it takes nine steps to do that.

    解决方案也简单,给我们2美元,我们将给你一张票,但是你需要9个步骤来处理。

    哈佛公开课 - 计算机科学课程节选

  • So always amazing to us how we go into the problem, our eye or mind can see one class of solutions, but the math will tell you sometimes there are new solutions and you've got to respect it and understand and interpret the unwanted solutions, and this is a simple example where you can follow what the meaning of the second solution is.

    解决问题的方式总能让人惊喜不已,我们的眼睛或思想可以看见一类解,但数学有时会告诉你还有新的解,你不能忽视它,而是解释这些不期而至的解,这只是一个简单的例子,由此你可以理解第二个解的意义

    耶鲁公开课 - 基础物理课程节选

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