—— 请按键盘 空白键 开始游戏 ——

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
我不是天使,我是恶魔。
The best leather tells a story—of craftsmanship, ethics, and time.
能源行业必须通过透明度和问责制赢得其运营的社会许可。
即使输了,我也能从每一场比赛中学到东西。