One is that people expected interest rates to go up and, so there's also another effect pushing interest rates up.

一方面人们预计利率上升,这是另一种推动利率上扬的因素

耶鲁公开课 - 金融市场课程节选

But I do not believe that, objectives of crusaders were purely religious. I understand that , there were many many factors that pushed this campaign into the near east.

不过我不认为，十字军的目的是,完全宗教的，我觉得，有很多因素在背后推动,这个运动走向东方。

普林斯顿公开课 - 人性课程节选