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Innovation in coal mining isn't just about extraction—it's about doing it smarter, cleaner, and more efficiently.

The only way to achieve your goals is to work hard and never give up.

認知過程是符號結構的規則支配的轉換。

解釋：凡是有利的地方，雖然是極高的山，沒有不可以上去的；即令有極深的水，沒有不可以下去的。