Janitors in Yonkers are preparing for students to return in September, But no one knows yet how many teachers will be here to greet them.

VOA: standard.2010.08.11

.. That person-- I should have maybe included that in the diagram-- that person could get 5% return with no risk.

那种人-,我也许该把种情况也包含到图里的-,他能够获得5%的无风险收益。

耶鲁公开课 - 金融市场课程节选

It says, well I'm going to print out first and last just so you can see it, and then I say, gee 2 if last minus first is less than 2, that is, if there's no more than two elements left in the list, then I can just check those two elements and return the answer.

然后它计算了尾点和开始点的差,如果小于2的话,也就是说数组中的元素小于等于，我对这两个元素进行比较,然后返回结果就可以了，否则的话，我们就去寻找中值点，注意它是怎么实现的,首先这个指向一个列表的开头。

麻省理工公开课 - 计算机科学及编程导论课程节选

"From dust we have come, to dust we shall return. In no way would this diminish all those very important human dimensions to the experience of death.

VOA: standard.2010.07.22

So, the optimal thing to do if you live in a world like this n is to get n as large possible and you can reduce the standard deviation of the portfolio very much and there's no cost in terms of expected return.

如果现实中也这样简单的话,那么你就尽量增大,这样就能让投资组合的标准差,就会大大降低,从预期收益率的角度来看,这样做的成本是零。

耶鲁公开课 - 金融市场课程节选