Imagine the sort of Heisenberg-esque problems we would get carefully following romantic couples over time and interfering with them to ask questions and make observations.

想想我们将遇到海登堡似的问题,在一段时间内，小心谨慎地跟踪情侣,干扰她们的生活,问问题，作观察。

耶鲁公开课 - 心理学导论课程节选

And then they were tracked over time.

一段时间后，还对他们进行跟踪调查。

耶鲁公开课 - 心理学导论课程节选

The World Health Organization keeps track of what countries have cases of polio and when they occur, and what the frequency of--So, this is a map from a few years ago and there are efforts that occur occasionally.

世界卫生组织一直跟踪记录,发生小儿麻痹症的国家及发病时间,以及发生的频率,那么,这是从几年前开始统计的,一个地图,这里是一些偶然产生的成就

耶鲁公开课 - 生物医学工程探索课程节选