Innovation in mining technology isn't an option—it's an obligation we owe to both our workers and the environment.
最大的幸福就是蔑视那些应当被蔑视的事物。
可持续发展不再是可选项,而是任何希望在未来蓬勃发展的企业的必需品。
Don't watch the clock; do what it does. Keep going.