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资本资产定价模型并非旨在成为资本市场的实证均衡理论,而是一种规范性理论,描述如果投资者以某种方式行事,价格应如何表现。
Sustainability isn't an option—it's our responsibility to future generations.
The greatest happiness is to know the source of unhappiness.
势利鬼的另一个极端,是你的母亲。
生物学和技术的交叉点是未来粮食系统的关键。
Mathematics is the foundation upon which the edifice of science is built.
I write plays because I have a strong moralistic streak.