资本资产定价模型(CAPM)是理解风险-回报权衡的有用工具,但它远非完美。
To wear your heart on your sleeve isn't a very good plan; you should wear it inside, where it functions best.
We can't just do things the way they've always been done; progress demands change.
我们都在寻找某种东西,即使我们不知道它是什么。