Two tenets, an equity bias for portfolios with a long time horizon and diversification.

两个原则,长期投资中的股权偏好,以及分散投资

耶鲁公开课 - 金融市场课程节选

That's the basic principle of portfolio diversification.

这就是投资分散化的基本原则。

耶鲁公开课 - 金融市场课程节选

Anybody whose read a basic finance text, as a matter of fact, I think anybody who thinks about investments in a common sense fashion knows that diversification is an important fundamental tenet of portfolio management.

事实上,任何一个读过金融基础教材的人,任何一个,以正常思维来考虑投资问题的人,都知道分散投资是投资管理的,一条重要的基本原则

耶鲁公开课 - 金融市场课程节选