—— 请按键盘 空白键 开始游戏 ——

我回首前尘往事,犯下重罪的小笨蛋,我想跟他沟通让他明白,但我办不到,那个少年早就不见了,只剩下我垂老之躯。
The arithmetic of elliptic curves is a microcosm of the deeper structures in number theory.
Life in the state of nature is solitary, poor, nasty, brutish, and short.