"The salespersons were doing a good job. The lines were moving pretty fast."

VOA: special.2009.12.21

Anybody, again this is a 115 kind of exercise, we're going to be moving lines around.

谁知道,这是经济学115的习题,我们要移动这些值线

耶鲁公开课 - 博弈论课程节选