For all students, what we want to do is we want to give you an understanding of the role computation can and cannot play in tackling technical problems.

对所有学生来讲，我们想做的就是,给你们关于计算在能否解决技术问题中,所扮演角色的,认识。

麻省理工公开课 - 计算机科学及编程导论课程节选

So the book is really an effort to answer what role America should play in the world.

这本书事实上是在试图,回答美国在世界这个大环境中应该扮演怎样的角色。

普林斯顿公开课 - 国际座谈会课程节选