Even today many citizens of San Francisco warn visitors never to call the great city Frisco.

VOA: special.2009.12.14

In particular, we're going to look at a particular version of this that we're going to call the linear city model.

我们来从一个特殊的角度看一下,我们称之为线性城市模型

耶鲁公开课 - 博弈论课程节选

Then between the east and the west, we have what we call the City,

然后在东西部之间是中部，我们称之为城市。

关于伦敦的全部 - SpeakingMax英语口语达人

"One example of what they have done is what they call a Congestion Management Program where everybody driving into central city pays a congestion fee and the idea there is to discourage people from driving, but take public transportation instead."

VOA: standard.2010.07.26