You have to be a big company to do it and if you have a big company you've exhausted the risk of-- never goes away completely.

你的公司得够大才能做保险这项业务,如果你有个大公司你就能减小风险,不太容易被风险击垮

耶鲁公开课 - 金融市场课程节选

Markets aren't efficient, but it's not that easy to beat them.

市场并不是有效的，但是要想击垮它们也不容易。

耶鲁公开课 - 金融市场课程节选