Warren Buffett said it was not my idea. We are not controlling margins if you have option exchanges.

巴菲特说这不是我的主意，如果你有,期权交易的话我们不会控制保证金的。

斯坦福公开课 - 经济学课程节选

Looks like a good idea to me, but she says, we're having a lot of trouble selling it.

这在我看来是个绝好的主意,但她说,她们的保险销售遇到很多问题

耶鲁公开课 - 金融市场课程节选