—— 请按键盘 空白键 开始游戏 ——

Silence is the language of the soul.
跨学科的合作对于解决科学中最具挑战性的问题至关重要。
最好的创新往往是对最顽固问题的最简单解决方案。
They had said that the city was a paradise, but I found it a hell.