In the beginning, I wanted hits and all that, but what drives me now is what this music means to people."

VOA: standard.2009.08.04

So literary can sometimes be very abstract like mathematics, and therefore, if someone says make me a movie, showing me what the square of minus two means that is going to be a challenge.

文学有时候也可以很抽象,像数学，因此如果有人说,给我做一部电影吧,给我展示一下负二的平方,那将是一个挑战。

麻省理工公开课 - 电影哲学课程节选

Just to remind those people who are not Economics Majors what that means, it means if I produce 1 unit then it costs me C to produce, if I produce two units it costs me 2C, 100 units a 100C and so on.

顺便提示一下那些,非经济专业的同学这表示什么意思,它表示生产1单位产品需要消耗C成本,如果生产2单位,需要的成本是2C,100单位需要100C,以此类推

耶鲁公开课 - 博弈论课程节选