The legal difference is that counterfeit drugs are made with the purpose of misleading people.

VOA: special.2010.02.22

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

Content is a function -or let me say practical language, the purpose, in other words, of communicating facts or of communicating at all, which we associate with practical language -is a function of poetic language.

他们认为，内容即是功能,实用语言的目的，就是交流，我们总是把交流和实用语言联系,但其实它也是诗歌语言的功能。

耶鲁公开课 - 文学理论导论课程节选

"In one of those speeches, I declared that I had no purpose directly or indirectly to interfere with the institution of slavery in the states where it exists.

VOA: special.2009.07.30

And the purpose of this course is to show you over and over and over again that starting with those one or two laws, you can deduce everything, and I would encourage you to think the same way.

这门课的目的,就是要反复告诉你们,从其中的一两条定律出发,你可以推导出一切,我鼓励你们用同样的方法来思考

耶鲁公开课 - 基础物理课程节选

is the concept of man as a heroic being, with his own happiness as the moral purpose of his life, with productive achievement as his noblest activity, and reason as his only absolute."

VOA: special.2010.06.06

He takes blood from the slain General Kingu, The leader of Tiamat's army, the rebels, And he fashions a human being with the express purpose of freeing the gods from menial labor.

他取了被屠杀的将军Kingu的血液，他是Tiamat军队的将领，是反叛者，于是他创造了人，意图明确,不再劳烦众神做低贱的工作。

耶鲁公开课 - 旧约导论课程节选

The Russian leader said the purpose of the negotiating process with Iran is to obtain clear guarantees about the transparency of its nuclear program.

VOA: standard.2009.11.16

Dancing in the streets of London. This is a two-step with a purpose.

VOA: standard.2010.03.10

With a solar powered sail and using the sun and wind to power the batteries, the purpose of the mission is to show that renewable energy works.

VOA: standard.2009.12.10