They got back on the train and keep going until they reached the end of the line.

VOA: special.2009.05.31

So let's take our one model that we keep going back to Equation of state, and just see how it works.

我们回到经常使用的理想气体模型,或者说状态方程。

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STUDENT: PROFESSOR: Yes, thank you. All right, it is constant. You keep sitting back there where I can't get to you. Thank you very much.

学生：【不解中】,教授：是的，是常数，如果，就是常数,你坐在那儿一动不动我没法找到你。

麻省理工公开课 - 计算机科学及编程导论课程节选

And he'll veto it, send it back, just keep going back and forth like that.

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Our store managers know we keep the front of the store pristine out of respect for our customers, and we keep the back rooms pristine out of respect for our employees.

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As for getting non- geo-promiscuous customers to keep coming back, I guess businesses will have to keep up the ole put-your-business-card-in-the-fish-bowl-to-win-free-stuff trick.

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