"I think the economy has been good for my business because organizations or companies that in good times might look to hire a big PR firm or a big consulting firm, during these times, they don't have that kind of budget.

VOA: standard.2010.01.31

Well, I first, I got a degree in entertainment PR.

嗯，我首先取得了一个娱乐公关的学位。

我在好莱坞工作 - SpeakingMax英语口语达人

It's times 4, plus PR times 2.

即4+Pr*2

耶鲁公开课 - 博弈论课程节选

Take these two equations, put an equal sign between them, replace this PR throughout with X, I'm going to have one equation and one unknown and that even the math phobics in the audience did in high school.

在这两个方程中间加个等号,将这里的Pr换成X,就会得到一个等式和一个未知数,剩下的问题,大家高中的时候就该回做了吧

耶鲁公开课 - 博弈论课程节选