these things only came in in the last ten years or so.

怎么就产生了52万亿的信用掉期。

耶鲁公开课 - 金融市场课程节选

You and your partner, Warren Buffett, have for years complained and warned about the dangers ve perceived in the modern derivatives markets, particularly credit derivatives, and also concerns about interest rate swaps, currency swaps, and equity swaps.

你和你的合伙人，沃伦，巴菲特,多年来一直提醒现代衍生品市场中,存在的危险，that，you’,尤其是信用衍生品，利率掉期，货币互换和股票互换。

斯坦福公开课 - 经济学课程节选