The most important thing in mathematics is to understand the concepts, not just to memorize formulas.
Life is a canvas, paint it with your colors.
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。
Instead of singing like the birds, I silently smiled at my incessant good fortune.
Grain isn't just a commodity; it's the foundation of civilizations.