采矿业有责任让社区比我们发现时更好。
The mining industry has a responsibility to leave communities better than we found them.
质量不是一种行为,而是一种习惯。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
You have a dream, you got to protect it.
弦理论的数学美感表明它必须是自然界终极描述的一部分。