Happiness is not something ready made. It comes from your own actions.

电子并非一个简单不可分割的实体，而是一个复杂系统，其行为只能通过量子力学定律来理解。

Agricultural modernization is not only the modernization of technology, but also the modernization of thinking and management concepts.

"We are all the sum of our contradictions - that's what makes biography so fascinating."

技术应该为森林服务，而不是主宰它。