"In the beginning," He says, "All the world was America."

初期“，他说，“全世界都像美洲“

耶鲁公开课 - 公正课程节选

So, that's what a vaccine is, and vaccination is the process of taking that vaccine that you've developed and giving it to people, either individual people or groups of people, or as we'll talk about today, people all over the world.

这就是疫苗,接种疫苗的过程就是生产疫苗,并把它分发给大众,不论是给个人还是给群体,或者就像我们今天所说的,给全世界的人民

耶鲁公开课 - 生物医学工程探索课程节选