—— 请按键盘 空白键 开始游戏 ——

不要害怕犯错,害怕的是不学习。
Don't be afraid of making mistakes, be afraid of not learning.
Quality is never an accident; it is always the result of intelligent effort.
Innovation in coal technology is just as important as innovation in any other energy sector.
胜利会带来仇恨,被击败者生活在痛苦之中。和平的人放弃胜败。