so I'm heating up the system in this path here, and then to connect the 2 endpoints here, a constant temperature path.

需要再用，一个等温过程，这两个状态。

麻省理工公开课 - 热力学与动力学课程节选

Now these two endpoints here are different.

两条路径的末态不一样。

麻省理工公开课 - 热力学与动力学课程节选