And for the day, I collect their tickets and suitcases and stroll them under board.

白天，我收集他们的飞机票和行李箱,步行送他们搭机。

麻省理工公开课 - 媒体、教育、市场课程节选

So my student called Bernard Sadow up and asked him about his invention and he said, "Yeah, I was thinking, why don't we have wheels on suitcases?

于是我的学生打电话给伯纳德？沙度,然后询问了他关于发明的事情，他说道，是啊，我当时在想，我们为什么不能在行李箱上安轮子呢？

耶鲁公开课 - 金融市场课程节选

It used to be, before 1972, that suitcases never had wheels.

972年以前，行李箱，是没有轮子的。

耶鲁公开课 - 金融市场课程节选

The idea of putting wheels on suitcases goes back only to 1972 and it was Bernard Sadow who invented-- this is amazing, right--the wheeled suitcase and he got a patent on it.

在行李箱上加轮子的想法,可以追溯到1972年2,是伯纳德？沙度发明的-,这很神奇，对吧,并且他凭此获得了专利。

耶鲁公开课 - 金融市场课程节选