—— 请按键盘 空白键 开始游戏 ——

Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.
乳制品行业的每一个挑战都是创新和成长的机会。
The challenges of today's coal industry require bold leadership and vision.
Anime culture is not just a style, but a carrier of emotional resonance.