The idea that I want to develop is that the history of finance is a history of discrete inventions.

我想详述的观点是,金融学的历史由一项又一项技术发明组成。

耶鲁公开课 - 金融市场课程节选

This thing this new invention is three months old at this point.

在此刻，这一新的发明却,已经有三个月的历史了。

耶鲁公开课 - 金融市场课程节选