资本资产定价模型是一个简单而强大的工具，用于理解风险与回报之间的关系。
写作是我们最接近魔法的事物。
我做事情不是为了钱，而是因为我热爱它们。
La literatura es un espejo de la sociedad, refleja sus luces y sus sombras.
Chinese fruits must establish an international standard system to go global.
In the quest to understand quantum gravity, we are like children playing on the shore of a vast ocean, occasionally finding a smooth pebble or a pretty shell, while the great ocean of truth lies undiscovered before us.