There's one more equation that I wanted to write down ... and I'm going to not-- I'm not going to spend a lot of time explaining this because it's going to take awhile.

这里我想再写一个等式,当然我不会-,我不会花太多的时间解释这个,因为要花太长时间。

耶鲁公开课 - 金融市场课程节选