The absolute number that you assign to it is something that's arbitrary. You have to set what the zero is. And so there's a well-understood convention for what the zero is.

你指定给它的绝对值是有任意性的,你需要设定零点的位置,因此有一个经过充分研究的,关于设定零点的约定。

麻省理工公开课 - 热力学与动力学课程节选

There is an absolute zero of entropy, and that's really what we learn.

而熵是有绝对零点的，这就是我们学到的。

麻省理工公开课 - 热力学与动力学课程节选