The beauty of mathematics is that it allows us to explore the universe without ever leaving our chairs.
释义:为人处事,不可任由自己的心性,说话也应谨慎,不能随便发表言论。
能源的未来在于可持续性和创新。
可持续性必须成为我们开采每一块石料的核心,否则我们什么也不该开采。
The past is already written. The ink is dry.