translation.en: And to do that, I'm going to tell you about a framework which is very popular in statistics and machine learning of the last 50 years called Bayesian decision theory.
translation.zh: 也做了很多工作 为此，我来介绍一个在过去50年里 统计学和机器学习方面都很常用到的架构 叫做贝叶斯决策论