Whatever happens to me, when it's spread out over six billion plus people, it ends up divided by six billion and it becomes unobservable.

发生在我身上的事，分散到六十多亿人口上，被六十亿除,就变得难以察觉。

耶鲁公开课 - 金融市场课程节选

For injustice is most dangerous when it is armed and man armed by nature with good sense and virtue may use them for entirely opposite ends.

因为非正义一旦被武装起来将最为危险,好人也可能利用,善心和美德而为非作歹

耶鲁公开课 - 古希腊历史简介课程节选

When it cuts it leaves sticky ends or un-base paired single stranded regions on each end of the part its cut and that's just a property of many restriction enzymes; not all, some cut blunt,just right down the middle.

它切割后会留下两个粘性末端,或者未配对的单链部分,这是许多限制性内切酶的特性,但不是全部,有些限制性内切酶是从中间钝切的

耶鲁公开课 - 生物医学工程探索课程节选