It's an effort to try to get the complexity of fifty different regulators uniform.

要让如此复杂的五十个不同的监管体系,统一起来是需要付出努力的

耶鲁公开课 - 金融市场课程节选

If you have profit sharing in a firm or profit sharing in homework assignment, or any joint projects, you have to worry about too little effort being contributed because there's an externality.

如果你是一个公司的股东,或者和别人一起做作业及其他合作项目,你们需要注意到因为外部性,实际上每个人都付出了较少的努力

耶鲁公开课 - 博弈论课程节选

And then there would be the butchering of the animal, there would be the securing the crops from the fields, and then bringing it to wherever you were going to eat it, which burns more calories and requires more physical effort, compared to the person on the right that really doesn't have to do much at all.

然后,他们要屠宰动物,要看护好地里的庄稼,还要把食物带到进食的地方,与右边的人相比,他们消耗更多卡路里,需要更强的体力,后者根本不必需付出那么多

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选