We developed buddy systems so that people would have people to go with them on the trains, if they are taking buses, no one would go around by themselves there is just kind of anxiety to what might happen.

我们形成了结伴制度,让人们结伴搭乘火车，如果他们乘坐公车的话，没有人会单独出行,对可能发生意外的焦虑在空中弥漫。

普林斯顿公开课 - 人性课程节选

I know that some people would say yes, shoot up their hands, and they look around in astonishment that no one else is with them.

我知道有人会说没问题，一下子把手举起，看看周围，惊讶地发现只有自己举手。

耶鲁公开课 - 心理学导论课程节选