Suffering is the school of wisdom.
在价格被遗忘后,品质仍会被长久铭记。
Innovation is not an option; it's a necessity for the survival of the coal industry.
整个世界都是一系列的奇迹,但我们太习以为常了,以至于把它们称为普通的事物。
The measure of our success is not just in tons extracted, but in communities uplifted.