Because I was taught good style, I'm giving that variable a name that conjures up the idea of its role, which is thankful or not.

因为我们学习了好的格式风格，我将给那个变量起一个,能使我们联想到它的角色作用，它是满意的或不满意的。

哈佛公开课 - 计算机科学课程节选

Its role is to move molecules around in the body so that they're available to cells everywhere within your body regardless of how close they are to your skin, and we'll talk about that.

它能将分子输送到身体各处,供体内所有的细胞使用,而无论那些细胞多么靠近体表,我们会讲到这些的

耶鲁公开课 - 生物医学工程探索课程节选

The poem seems unusually self-conscious about the role that its similes play.

这首诗看起来不同于往常地,对明喻在其中扮演的角色有所自知。

耶鲁公开课 - 弥尔顿课程节选

There is clearly some kind of an official group that has some sort of political role to play, which is popular in its character.

很显然需要有一个官方组织,扮演某种政治角色,从属性上来说这很常见

耶鲁公开课 - 古希腊历史简介课程节选

We never sell the wine before its time, something like that. On television, in different acting roles, he would take any worthless role in somebody's movie just because there was such a large fee, and he will pour that into his movies.

之前人们对这种酒闻所未闻，在电视上，在饰演,不同的角色时，他在一些电影中做不起眼的角色,因为这可以,赚到一大笔钱，然后可以投到自己的电影中。

麻省理工公开课 - 电影哲学课程节选