You know, my great uncle had been lynched and they wrapped his body with the US flag hanging from a tree.

我的伯祖父是受私刑而死的,他的身体被包裹在美国国旗里，悬挂在树上。

普林斯顿公开课 - 人性课程节选

When you get--this is Rituparna, counting the leaves on a tree-- you can estimate, from a sample, the population expected values.

如果你...像数叶子的睿都巴若那一样,只有部分样本的话,你可以来估计总体均值

耶鲁公开课 - 金融市场课程节选