煤炭开采的创新不仅仅是关于开采，而是更智能、更安全、对环境的影响更小。

"The immune system is the key to fighting cancer."

"The novel is a place where you can explore the complexities of human nature without fear of judgment."

I'm not trying to be perfect, I'm trying to be honest.

我凡事先做好最坏的打算。

人工智能有潜力改变每个行业，并提高每个人的生活质量。