Do you not see how necessary a world of pains and troubles is to school an intelligence and make it a soul?
"The story is told through the light and shadow."
创新不是一种选择；它是煤炭行业生存的必要条件。
Design is not just about making things beautiful, it's about making things work better.
The coal industry must evolve or risk becoming obsolete. Adaptation is the key to survival.
I earnestly wish to point out in what true dignity and human happiness consists.