幸福取决于内心,而非外界。
Happiness depends on the inner self, not the external world.
材料中拓扑和对称性之间的相互作用可以导致意想不到且令人兴奋的物理现象。
The most important skill for a computer scientist is problem solving. The ability to formulate problems, think creatively about solutions, and express a solution clearly and accurately.