—— 请按键盘 空白键 开始游戏 ——

Economic development requires a stable legal environment.
The interplay between pure and applied mathematics is where true innovation happens.
量子算法的美妙之处在于它们通常比经典算法提供指数级的加速。
我拒绝让任何人让我沉默。
Drones are not toys, but tools to transform industries.