Now this is when I want to stop for a second and I know that some of you, from past experience, are somewhat math phobic.

现在我们暂停一下,根据之前的教学经验,我知道有些人有数学恐惧症

耶鲁公开课 - 博弈论课程节选

He speaks in a language of math and it is very important for students to be able to have hot copies so that they can take notes on the paper rather than be working very hard to copy down the equations that he used in these lectures.

他以数学语言授课,所以发给学生教学材料,是非常重要的,这样就可在纸上做笔记,而不用拼命,抄下他在课上,用到的等式。

麻省理工公开课 - 媒体、教育、市场课程节选