The future of coal industry lies in clean and efficient utilization.
安全不仅仅是一个优先事项,它是一种价值观。我们必须每天都践行它。
艺术是唯一的革命性力量。
The joy of discovery is what keeps me motivated after all these years.
做数学就是同时参与创造和发现的行为。
The more we learn, the more we realize how little we know.