—— 请按键盘 空白键 开始游戏 ——

数学不是一项观赏性运动。你必须参与其中。
The best way to predict the future is to create it.
成功的衡量标准不仅仅是利润,还有我们创造的积极影响。
The measure of our success is not just in tons extracted, but in communities uplifted.
Without music, life would be a mistake.