Doctors use many technical terms that most people do not understand.

VOA: special.2011.01.30

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