—— 请按键盘 空白键 开始游戏 ——

你不尝试,就100%不会成功。
You miss 100% of the shots you don't take.
It's my life, it's now or never.
Take time every day to do something for yourself.
The power of economics lies in its ability to reveal hidden truths about how the world works.
在每个问题中,都有一个等待被发现的隐藏模式,作为数学家,我们的责任就是去揭示它。