Safety production is the lifeline of the coal industry and must never be neglected.
安全生产是煤炭行业的生命线，任何时候都不能放松。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
物理学中的每一个发现都是向理解宇宙宏伟设计迈出的一步。