So, they started to do collecting of data on mortality and they developed something called actuarial science, which is estimating the probability of people living.

他们开始收集死亡率的数据,并且发展出精算学,用来估算人在各年龄段死亡的概率

耶鲁公开课 - 金融市场课程节选

The real insurance industry, as I mentioned before, began in the 1600s with the invention of probability theory and with the invention of life tables for-- the invention of actuarial science; but, it grew slowly.

正如我刚才所提到的,真正的保险始于17世纪,这得益于概率论,寿命表以及,精算学的产生,但是,它的发展很缓慢

耶鲁公开课 - 金融市场课程节选