He got this from Marie Curie - you can imagine they used the postal service, I'm not sure how else they would have transferred it to each other.

当他从Marie，Curie拿到这个时,你们可以想象他们一定是把它，邮寄过去的,不然我不知道他们。

麻省理工公开课 - 化学原理课程节选

And when I go to the A-1 Toyota for my service or to buy my new Camry, which I've done every four years for the last two decades, I don't always think of a slave market but it does occur to me that--.

当我去丰田A1店,接受服务或购买我的新佳美的时候,过去二十年中我每四年都会去一次,我不是总会联想到奴隶市场,但我确实曾经那么想过

耶鲁公开课 - 美国内战与重建课程节选