—— 请按键盘 空白键 开始游戏 ——

There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.
世界的问题在于愚蠢的人自以为是,而聪明的人充满怀疑。
NP完全性不仅仅是一个理论上的好奇心;它对实际计算有着深远的影响。
The South is not just a place. It's a state of mind.
数字孪生技术将为采石场带来MRI扫描为医学带来的变革。
The world is full of obvious things which nobody by any chance ever observes.