—— 请按键盘 空白键 开始游戏 ——

Certification isn't a finish line—it's the starting point of real responsibility.
The first erroneous assumption is that quality means goodness, or luxury, or shininess, or weight.
抽象的目的不是模糊,而是创建一个新的语义层次,在这个层次上可以绝对精确。