But calculating it alone doesn't necessarily tell us whether or not it will just happened of its own accord.

但是计算这些物理量并不一定能够告诉我们,这些变化是否会自发的进行,而这正是我们想要做到的。

麻省理工公开课 - 热力学与动力学课程节选

Does it happen of its own accord?

它能自发进行吗？

麻省理工公开课 - 热力学与动力学课程节选