—— 请按键盘 空白键 开始游戏 ——

Sustainability isn't an option—it's a responsibility we owe to future generations.
但我爱她,她可以褪色,可以萎谢,怎样都可以;但我只看她一眼,万般柔情,涌上心头。
My greatest happiness is doing what I love.
The study of automorphic forms is a reflection of the depth of mathematical thought.