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

What is the purpose of the test, by the way?

顺便说下，测试的目的是什么？

麻省理工公开课 - 固态化学导论课程节选

It was the romantic--and by the way, about 3,300 miles of such canals would be built by the middle of the 1850s, all for the purpose of commerce, and to move people.

顺便说下,这是多么浪漫的事,在五十年代中期,为了商业运输和劳力流通,而建造的这类运河总长达3300英里

耶鲁公开课 - 美国内战与重建课程节选

I want to end this premise idea by talking a little bit about a person for whom, one of the chief purpose in life was to spread happiness-- Mahatma Gandhi. This is a story about him.

我想以介绍一位,一生致力于，传播快乐的人来结论这个前提-,圣雄甘地，这是关于他的一个故事。

哈佛公开课 - 幸福课课程节选

But he also obviously writes that we are beings with will and purpose who are uniquely guided by opinions, ideas, and doctrines and it is in many ways the first business of the sovereign to act as a moral reformer of ideas.

但他同时也写道,我们是有意志和目标的生物,是唯一由言论，思想和各种学说，所引导的物种,而这正是给君主作为思想道德改造者,的存在提供了可能性。

耶鲁公开课 - 政治哲学导论课程节选