What we did--the core theoretical framework that we had-- was the mean variance theory, which led us to the capital asset pricing model.

我们讲到了投资组合多元化的核心理论框架,即均值-方差模型,之后又讲到了资本资产定价模型

耶鲁公开课 - 金融市场课程节选

But there's a theoretical framework, and it will catch up with the French monarchs, among others, later-- that the ruler must be a father, a benevolent figure.

不过,有一种理论框架,使法国的君主终自食恶果,这种理论认为统治者必是父亲一样善良的人

耶鲁公开课 - 欧洲文明课程节选

We have a nice theoretical framework, but the application of the framework to the real data is hard and it ends up with politics underneath it all; that's just the real world.

我们有清晰的理论框架,但实际运用理论知识却困难重重,最终还是政治支配一切,这就是现实社会

耶鲁公开课 - 金融市场课程节选