So, and of course, you know, keeping entropy as a fixed variable for a system like that is extremely cumbersome.

所以，对这样的系统要求它们的熵保持恒定,和一个非常笨拙做法。

麻省理工公开课 - 热力学与动力学课程节选

If people start demanding payment on their notes then they will destroy the system.

如果人们开始要求纸币价值的兑现,他们将摧毁这个系统。

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