I go up to the green line and go across and this tells me the best response for Firm 2.

根据这条绿线的对应法则,就可以对应出公司2的最佳对策

耶鲁公开课 - 博弈论课程节选

Is that something that can go for a semester or in the best of words for at least a year or more.

这种活动可以持续一个学期,乐观地说，至少可以一年甚至更长。

普林斯顿公开课 - 人性课程节选