—— 请按键盘 空白键 开始游戏 ——

改变你的焦点,改变你的生活。
最重要的是始终把用户放在我们一切工作的中心。
我不相信占星术;我是射手座,我们持怀疑态度。
I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.