For our purpose just these are the kinds of changes that can happen.

我们的目的仅仅是,知道会产生一些变化就可以了

耶鲁公开课 - 生物医学工程探索课程节选

For our purpose I think we won't have to go there.

根据我们的目的,我们不需要讨论这个。

耶鲁公开课 - 死亡课程节选

Now, the purpose of this simile is to evince the indistinctness and the confusion produced by our vision of the fallen angels.

这个比喻的目的,是要表明由我们想象的天使们的样子,带来的模糊和困惑。

耶鲁公开课 - 弥尔顿课程节选

We should be approaching young people, encouraging them to engage, cross our religious boundaries and engage constructively with the same sort of sense of purpose that al-Qaeda recruits young people with a destructive divisive ideology.

我们应该靠近青年人，鼓励他们参与这项事业，跨越宗教界线,鼓励他们具有建设性地参与其中,带着与基地组织招募拥有破坏性的,分裂的意识形态的青年人时有的目的感。

普林斯顿公开课 - 人性课程节选