Hope is the last thing to die, and the first thing to betray you.
The beauty of topological insulators lies in their robustness; their surface states are protected by symmetry and topology, making them immune to certain types of disorder.
石油的真正成本不仅仅是每桶的价格，还包括环境和社会影响。
每个词都是通向理解的一步，但也是通向困惑的一步。
It's not about ideas. It's about making ideas happen.