—— 请按键盘 空白键 开始游戏 ——

To do mathematics is to explore a universe of ideas, where the only limit is your imagination.
Love is the answer, and you know that for sure.
若我再见你,时隔经年,我将如何致意,以眼泪以沉默。
阅读就是旅行,旅行到其他地方、其他时间、其他思想。