佛教中有一句话：初学者的心态：拥有初学者的心态是件了不起的事情。

The key to successful investing is to have a clear understanding of the risks and rewards, a disciplined approach, and a long-term perspective.

人生苦短，必须快乐。

煤炭企业的未来在于智能开采和清洁利用。