Every advanced country in the world has a system that provides for this, including the United States, incidentally.

世界上每一个发达国家,顺便一提，包括美国在内，都有应对这些情况的制度。

耶鲁公开课 - 金融市场课程节选

A vaccination, for it to work around the world, has to be inexpensive, transportable, possible to use without advanced medical personnel, and those kinds of things.

而疫苗接种,为了能适用于全世界,它必须便宜,便于运输,还要能在没有高级医生的情况下使用,它应该具有诸如此类的特点

耶鲁公开课 - 生物医学工程探索课程节选

Some people in less-developed countries feel uncomfortable that they are just slavishly copying other, more advanced countries; but, they have to recognize that is what everybody has been doing all along.

欠发达国家的人,对他们模仿其他发达国家的理论发明，感到不安;,但是他们应该知道,大家一直都在这么做。

耶鲁公开课 - 金融市场课程节选