He didn't want to use negative numbers To measure temperature in Denmark outside.

他可不想用负数,来测量丹麦室外的温度。

麻省理工公开课 - 热力学与动力学课程节选

When you go from here to going outside, to going to a much hotter room, your temperature stays the same and your body is able to control this on your own, you don't have to think about it.

当你从这里走出去,去一个更热的房间的时候,你的体温不会变化,你的身体能自行控制体温,你无需要刻意想它

耶鲁公开课 - 生物医学工程探索课程节选

Maybe you don't control thermostats in your dorm room, some of you do and some of you don't probably, and maybe it doesn't work very well so it might not be a good example, but imagine a perfect thermostat that you set for a temperature and then the temperature stays the same inside the room no matter what the temperature is outside.

可能你根本就不理卧室里的恒温器,有些人去调它,有些人就置之不理,可能它压根就是坏的,所以这个例子也许并不恰当,但你还是想象一个完美运行的恒温器,你设定温度后房间里的温度就保持不变,不管外面温度是多少

耶鲁公开课 - 生物医学工程探索课程节选