Unlike the case for energy like you've seen in lots and lots of disciplines, where you can arbitrarily set the zero in a way that makes it convenient for you.

通过无数的练习题,你们已经看到这和能量不同，对于能量我们可以任意确定,能量的零点。

麻省理工公开课 - 热力学与动力学课程节选

For example, if it's more convenient should you change the environment to make the unhealthy food less convenient and make healthy foods more convenient?

举例来说,如果是因为方便,那你改变外部环境,会使得健康食品比垃圾食品更容易获得吗

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