The capital asset pricing model (CAPM) is a useful tool for understanding the risk-return tradeoff, but it is not a perfect description of reality.
资本资产定价模型(CAPM)是理解风险-回报权衡的有用工具,但它并非对现实的完美描述。
可持续性不是潮流,而是唯一的前进道路。
戏剧是未言之物的艺术。
I am not afraid of storms,for I am learning how to sail my ship.