If we think about what is food and what isn't food, we have to ask what are the definitions.

当我们判别何为食品时,我们得知道食物如何定义

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Not only did we figure out a way to describe how we quantify it, but we've also quantified how we tell the difference between covalent and ionic, and percent ionic character.

我们不仅想出了一个办法来描述,我们如何定量它，而且我们也定义,我们如何分辨共价性和离子性，以及离子百分数。

麻省理工公开课 - 固态化学导论课程节选

So this becomes where defining the system and the boundaries and everything becomes important.

因此问题就变成了,如何定义系统和边界,那么一切都变得重要了。

麻省理工公开课 - 热力学与动力学课程节选

You can see how they moved from that definition of probability to the current definition.

所以你可以清楚地了解到,概率是如何由那个定义,转变为今天的定义的

耶鲁公开课 - 金融市场课程节选

Buthere is the conventional aspect of property, it's a further question what counts as property, how it's defined and what counts as taking property, and that's up to the government.

但财产还有约定俗成的一面，就引出了更进一步的问题,什么才算财产，财产如何定义,且何种行为才算掠夺财产，这是由政府决定的。

耶鲁公开课 - 公正课程节选

So a lot depends, to answer your question, how one defines autism, and whether one includes Asperger syndrome, which is a limited, a more mild syndrome, as a form of autism.

所以要回答你的问题,就需要看看一个人是如何定义孤独症的,以及一个人是否将,轻微有限的阿斯伯格综合症,看做是孤独症的一种形式

耶鲁公开课 - 心理学导论课程节选

How many kinds are there? How are they defined?

有多少类型的政体？又该如何定义？

耶鲁公开课 - 政治哲学导论课程节选

Now, what's a mind on this view?

那么,这个观点又是如何定义心灵的呢

耶鲁公开课 - 死亡课程节选

The person who does that best is Michael Pollan, and when you read his book, In Defense of Food, he spends some time in the book defining what food is and working through this--this quagmire of how do we define food and what's acceptable to eat, what's socially acceptable, what's personally acceptable.

这一点上迈克尔·伯伦做得最好,你们可以看看他写的书《为食物辩护》,他在书中给食物下了定义,并深入地探讨了这个难题,即如何区分食物与能吃的东西,社会普遍接受的东西,个人能够接受的东西

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Well--again, we gonna be careful about refining this, just like we all agreed, I suppose, that you can have the very same body even though somebody--the parts come and go, items get added, other items get knocked off.

我们得仔细研究如何对其定义,我们都认可了，先这么假设,即使肉体的某些部位丢失或新增,原来的肉体还是不变，肉体的某些部分可能新增可能丢失。

耶鲁公开课 - 死亡课程节选