Other cities,including Philadelphia, Washington and Los Angeles, are making plans to use the San Francisco program as a model.

VOA: standard.2010.07.26

So before we leave it, I've been making a point in this class of coming back to reality from time to time, so this is a very simple model of the soccer game in reality.

在我们结束讨论之前,我来强调一下,我们应该回到现实中,这是一个很简单的足球模型

耶鲁公开课 - 博弈论课程节选

We would like his life be a model for making a difference in the lives of others and to bring about efforts to end human misery for all mankind".

VOA: standard.2009.09.13