真正的智能是理解,而不仅仅是计算。
A successful farm is one that nourishes both people and the environment.
The only thing I can rely on is my own perception, and that is always changing.
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。