"It is not perfect, but then there is no country that has a perfect system."

VOA: standard.2009.09.24

And what that corresponds to, if you recall, is the idea that in a perfect crystal at zero degrees Kelvin then you have no disorder at all.

如果你们能回忆起来的的话，这就意味着,绝对零度下的完美晶体,一点无序状态也没有。

麻省理工公开课 - 热力学与动力学课程节选

All right, so you can't get perfect efficiency, 0 but at least if you were able to go to zero degrees Kelvin, then you'd be all set.

好吧，你得不到完美的效率，但至少如果能把温度降到,那你就万事俱备了。

麻省理工公开课 - 热力学与动力学课程节选

If there were perfect correlation, then it would be a correlation of one.

如果是完全正相关的，也就是相关系数等于一。

耶鲁公开课 - 金融市场课程节选

And then should it surprise us that that's the kind of person who would call a perfect stranger on the telephone and write a sexy story and give it to them? Right?

我们是否应该感到吃惊呢,正是这类人会为给一个陌生人打电话,并为对方写一个性感小故事？

耶鲁公开课 - 心理学导论课程节选

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

What they argued in this paper was that, if we had perfect risk management, then there would be perfect correlation of consumption across countries because if we get rid of the idiosyncratic risks, then all that's left is planet-wide risks.

他们在论文中的观点是，如果我们有完善的风险管理,那在不同国家之间的消费呈完全相关,因为如果我们消除了特有风险，那只剩下全球范围内的市场风险。

耶鲁公开课 - 金融市场课程节选