So, it's perfectly okay to be part of a collaboration, but you've got to make sure that you're pulling your weight.

所以,参与小组讨论是完全允许的,但你要保证你在其中有所作为

耶鲁公开课 - 基础物理课程节选

Now readers have always seemed to have agreed that Milton's Lycidas is an enormously admirable poem, but for a few hundred years now there has been a controversy over how admirable Milton's Lycidas is, specifically as an elegy.

现在读者们一致认为,弥尔顿的《利西达斯》是一首极其非凡的诗作，但是几百年来，对于这首诗，特别是作为一首悼亡诗,到底有多么非凡一直有所争论。

耶鲁公开课 - 弥尔顿课程节选

You cannot truly achieve what you want and need as a human being without being an active and loyal citizen of this great community which you need to achieve what you want in life.

在这个你必须有所作为的庞大社会中,如果你并非一个积极且虔诚的公民,那么你就无法真正实现,你的所需和所求

耶鲁公开课 - 古希腊历史简介课程节选