The capital asset pricing model was not intended to be a positive theory of what investors actually do, but rather a normative theory of what rational investors should do.
资本资产定价模型并非旨在描述投资者实际行为的实证理论,而是关于理性投资者应如何行事的规范理论。
In the era of smart cars, software defines the vehicle.
可持续性不是一种趋势;它是我们对后代的责任。