High-quality development in the coal industry must prioritize safety first.
煤炭行业的高质量发展必须坚持安全第一。
The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.
荒野教会你，你比你想象的更有能力。
我们正处在生物学新纪元的黎明，计算方法将引领方向。