I'm now exploring the question of whether or not stock prices are indeed memoryless, or the stock changes.

我现在要探索一个问题那就是股价,是否真的是无记忆的，或者说股票的变化是否是无记忆性的。

麻省理工公开课 - 计算机科学及编程导论课程节选

You need a substance and then that substance has to have a property that changes depending on the heat flow, i.e., depending on whether it's sensing that it's the same temperature or different temperature than something else.

你需要某种物质,它的某种性质,随着热量的流动而改变，也就是说,依赖于它是否感觉到它,与其他的物体处于相同的温度。

麻省理工公开课 - 热力学与动力学课程节选

Then you could also think about whether there are changes that could be made to improve diet.

然后,你也可以想想是能否做些改变,来改善食谱

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选