—— 请按键盘 空白键 开始游戏 ——

数据驱动的决策将彻底改变我们管理牲畜健康和生产力的方式。
Money is not the key to happiness, but it helps.
"Happiness is not something ready made. It comes from your own actions."
The more time I spent on mathematics, the more excited I got.