In particular, we find that prices in the market are equal to marginal cost.

特别是,我们发现这个市场下的价格等于边际成本

耶鲁公开课 - 博弈论课程节选

And here's... this was the cost-benefit analysis that emerged in the trial.

这就是，审判时发现的成本效益分析。

耶鲁公开课 - 公正课程节选