Finally, it was Robert Plath, who was an airline pilot, who invented a new, wheeled suitcase, which he patented in 1991.

后来一个叫罗伯特·普拉斯的飞行员，发明了一种滚轮行李箱，并且在1991年取得专利权。

耶鲁公开课 - 金融市场课程节选

By 1964, the Civil Rights movement had accomplished amazing things.

到了1964年，民权运动已经取得了，惊人的成就。

耶鲁公开课 - 1945年后的美国小说课程节选

I was at Princeton from 83 to 86, got my master in chemical engineering Now i serve as the administrator of the United States Envrionment Protection Agency My engineering background is extremely important to the job i do everyday.

3-86年我在普林斯顿大学学习，取得了化学工程的硕士学位,我现在的职务是,美国环境保护署署长,我的工程学背景,对我现在的日常工作十分重要。

普林斯顿公开课 - 领导能力简介课程节选