当你失败时,你会学到东西。当你成功时,你会学到更多。
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。
There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.