—— 请按键盘 空白键 开始游戏 ——

The will to learn is an intrinsic motive, one that finds both its source and its reward in its own exercise.
货币是一层面纱,但当这层面纱飘动时,实际产出可能会受到影响。
I was not born blind, I became blind at the age of 12, but I never felt like a victim.