—— 请按键盘 空白键 开始游戏 ——

追求数学知识是一段永无止境的旅程。
The pursuit of mathematical knowledge is a journey that never ends.
"The world is a book, and those who do not travel read only one page."
The beauty of the world lies in the diversity of its people.
If you want to lead, you must first learn to listen—to your team, your customers, and the environment.