—— 请按键盘 空白键 开始游戏 ——

朗兰兹纲领的猜想不仅仅是待解决的问题,而是关于数学应该如何的愿景。
一个设计良好的空间可以改变人们的感觉和与环境的互动方式。
The anarchic nature of the international system compels states to prioritize their own survival above all else.
If there's a book that you want to read, but it hasn't been written yet, then you must write it.
创新是水产养殖的命脉;没有它,我们就会停滞不前,无法满足地球日益增长的需求。