—— 请按键盘 空白键 开始游戏 ——

人们不会使用手持计算器来学习计算,但是却会忘记算术。
我爱您是不可以数量计算的。
The uniform, constant, and uninterrupted effort of every man to better his condition, the principle from which public and national as well as private opulence is originally derived.