认知地图不是头脑中的一幅图或模型，而是环境的动态变化表征。
The cognitive map is not a picture or a model in the head, but a dynamic, changing representation of the environment.
The past is never dead. It's not even past.
股市充满了机会，但你必须耐心去寻找它们。
科学是人类智慧的结晶，是推动社会进步的重要力量。
Innovation in agriculture isn't just about technology; it's about understanding the soil, the climate, and the people who depend on it.
The best steel isn't made in furnaces; it's forged through teamwork and shared purpose.
没有什么比一个没有什么可失去的人更危险的了。