"It is not very subtle. These are schools with teachers and textbooks that are overtly anti-Western, anti-Christian,anti-Jewish Islamic supremacy."

VOA: standard.2010.07.12

You realize it's very subtle, because the very first thing in that equation, which is m, has not yet been defined.

你会觉得这很微妙,因为方程里最基本的量 也就是 m,还没有人给它下定义

耶鲁公开课 - 基础物理课程节选