—— 请按键盘 空白键 开始游戏 ——

数学之美在于它能够将复杂的事物简化。
The beauty of mathematics lies in its ability to simplify the complex.
Perhaps one day you muster the courage, to make a clean breast of everything in the heart only ended up to let others see the joke, because they did not understand you to say what, also don't know why do you think things are so important, say, almost cried out. I think the worst thing in the world, than with full of heart and secret, but no one can tell, but no one can understand!
It is when we act freely, for the sake of the action itself rather than for ulterior motives, that we learn to become more than what we were.
创新是煤炭行业未来的关键,我们必须拥抱新技术和新理念。
The most dangerous phrase in business is: "We've always done it this way."