—— 请按键盘 空白键 开始游戏 ——

这个世界变化如此之快,以至于说某件事不能做的人通常会被正在做这件事的人打断。
The old believe everything; the middle-aged suspect everything; the young know everything.
The beauty of mathematics lies in its ability to simplify the complex.
Innovation in medical technology requires a deep understanding of both the scientific principles and the practical needs of patients.