And,there is a serious problem when you use the term 'regime change' that you might encourage people to demonstrate,or to act in ways, where we can do absolutely nothing to protect or encourage them."

VOA: standard.2010.06.11

If the South was a slave society and we tried to demonstrate that last time, we tried to define that.

如果南方是奴隶社会,我们上次已经证明过了,我们也定义过了

耶鲁公开课 - 美国内战与重建课程节选

And you went ahead and worked with the Listening Exercises nine through eleven to engage the musical instruments a bit in those particular exercises, and we have performers here today that are going to, as you can see, demonstrate some of these instruments for us.

你们先前做过,听力练习九至十一题,在这些练习中,你们增长了对乐器的一些认识,今天我们请来了表演者,你们将看到,他们稍候,将为我们在这里演示一些乐器

耶鲁公开课 - 聆听音乐课程节选

But the overall campaign is on track." "I believe that by the end of this year we will be able to demonstrate that we have the initiative and the momentum is with us, the government of Afghanistan and the government's international partners."

VOA: standard.2010.05.19