智能化开采是煤炭行业高质量发展的关键。

数学中真正的挑战不是解决问题，而是提出正确的问题。

我不害怕冒险。我不害怕失败。

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

技术是关于释放人类潜力的。

合理安排时间就是节约时间。