This is a non-immigrant visa for work in the person's area of specialty.

VOA: special.2009.07.02

All of us need some money, but some people really enjoy doing work that may not generate, if it's non-profit work like what we do.

我们都需要一些钱，但有些人,是真的乐于从事平凡的工作，比如说像我们做的这种不会发财的工作。

普林斯顿公开课 - 人性课程节选

I guess the fashion that's behind non-profit work,

我觉得这是非营利工作背后的时尚，

关于自由和时尚 - SpeakingMax英语口语达人

Slaves had been used to do non-military work for the army.

VOA: special.2009.12.03

If there is another way that it will work for non-physicists, I won't hesitate to teach it to you if that turns out to be the best way.

如果还有某种适合非物理学家的思考方式,我会毫不犹豫地教给你们的,如果这种方式确实不错的话

耶鲁公开课 - 基础物理课程节选

Now,a new study adds to evidence that non-smokers who live or work around smokers can experience psychological harm as well.

VOA: standard.2010.06.15

There's no change in them, and then we also looked at some at non-state functions, work and heat, and saw that those aren't zero going around a cycle. Of course you can do work in a cyclic process, and heat can be exchanged with the environment at the same time.

它们不会有变化，然后我们研究了,一些非态函数，功和热量，并看到,沿着循环行进一周的话,它们并不是零，当然你可以在,一个循环过程中做功，而同时热量可以在系统,与外界环境之间进行交换。

麻省理工公开课 - 热力学与动力学课程节选

But,the situation can be even more complicated for those who work for non-governmental organizations that the government sees as a threat.

VOA: standard.2009.08.04