So this is a very popular theory, believed by many famous economists today, and in the past.

所以这是一个很受欢迎的理论,从古至今都有很多经济学家相信它。

麻省理工公开课 - 计算机科学及编程导论课程节选

But it's not a very popular because I think people in this country,

但是那不会是主流观点，因为我想这个国家的人，

欧洲中的英国 - SpeakingMax英语口语达人

So, it was a very popular book in the U.S., but it did have this history of being banned in Europe, and it was certainly controversial here.

因此，尽管现在这是一本广受欢迎的书，但它历史上确乎,在欧洲遭遇过禁止，并且在美国也是非常有争议的。

耶鲁公开课 - 1945年后的美国小说课程节选

And eventually, for the Romans, this would be very popular for big chariot races.

后来罗马人，非常热衷马车竞赛。

耶鲁公开课 - 新约课程节选