幸福存在于内心。
To see clearly is to see differently.
The most important thing is to be able to think, to be able to see, to be able to judge what you see.
The future of infrastructure lies in sustainability and smart technology.
煤炭行业必须发展以满足现代环境标准，否则将被淘汰。
The discovery of topological insulators has opened up a new frontier in condensed matter physics, where the interplay between topology and symmetry leads to novel quantum states of matter.
领导力在于做出艰难的决定并坚持它们，即使这些决定不受欢迎。