创新不是一种选择；它是煤炭行业生存的必要条件。
Innovation is not an option; it's a necessity for the survival of the coal industry.
保持信念。
"The most beautiful people we have known are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths."
The capacity of the human mind for forming and manipulating symbols is what sets us apart from other animals.