—— 请按键盘 空白键 开始游戏 ——

"A book is a journey of the mind."
Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you. 
可持续性不仅仅关乎环境;它关乎为所有利益相关者创造持久价值。
采矿业的未来在于可持续性和技术。
I think a simple rule of business is, if you do the things that are easier first, then you can actually make a lot of progress.