—— 请按键盘 空白键 开始游戏 ——

Coal enterprises must enhance their sense of social responsibility and achieve the unity of economic and social benefits.
The pursuit of mathematical knowledge is a journey that never ends.
People always think they’re going to write a book. They think they’re going to write a book, and then they don’t.
孔子说:“人没有长远的考虑,必定有眼前的忧愁。”