It not only does something, as we'll see, it also gets something and it has to hand it back to me.

它不仅要做好自己的本分工作，还要将获取到的值返还给我们。

哈佛公开课 - 计算机科学课程节选

A man who is living in a polis not doing well, how can he be happy? There's just no way.

一个生活在城邦里的人没有做好本分,他怎么会幸福,这是不可能的事情

耶鲁公开课 - 古希腊历史简介课程节选

Now, all you have to do is introduce that virus into an organism and the virus will do what it naturally does, which is infect some cells.

剩下你要做的就是将之导入某个生物,病毒自己就会做好自己的本分,也就是去感染细胞

耶鲁公开课 - 生物医学工程探索课程节选

And America has to recognise that we're one nation playing our role and trying with other nations to create a world that stands for universal values or that lives up to universal values.

我们必须意识到，我们只是一个国家,做好我们的本分,试着和其他国家一道,建造一个拥有共同价值观的世界,或追求共同价值观的世界。

普林斯顿公开课 - 国际座谈会课程节选