It's not going to be zero this time because we have non zero heat exchange between the system and the environment, right.?

热力学量，但是现在让我们看一下,我们的特殊函数，这次它不会是零,因为系统与外界的热量交换并不是零，对吧？

麻省理工公开课 - 热力学与动力学课程节选

And in fact we know if the price goes to 0, it's delisted from the exchange.

实际上我们知道如果价格是，它就会从交易中退出。

麻省理工公开课 - 计算机科学及编程导论课程节选