—— 请按键盘 空白键 开始游戏 ——

I don’t count my sit-ups, I only start counting when it starts hurting.
无人机的安全性不是选项,而是底线。
The heart of the educator must be a living flame, a fire that can ignite the souls of the young.
The best decisions are made when you listen—to your team, to the data, and to the changing world around you.