Ghana has made itself a focal point of biofuel growth in Africa.

VOA: standard.2009.08.23

So here's the other issue, there's a price in this market, we might want to think of as the kind of focal price as an interesting price, and that's the price at which, the price I would choose were I the monopolist.

另外一个问题是,市场中有一个价格,可以理解为一种焦点价格,一个有趣的价格,这个价格是,我作为垄断企业时所选择的价格

耶鲁公开课 - 博弈论课程节选

"Rather than being a mechanism of cooperation,of joint fact-finding, of assistance to one another, it became another focal point for animosity and a failure,really, to work together to solve the desperate needs of both peoples."

VOA: standard.2009.08.01