—— 请按键盘 空白键 开始游戏 ——

God waits for man to regain his childhood in wisdom.
如果物体处于静止状态或作匀速直线运动,只要没有外力作用,物体将保持静止状态或匀速直线运动状态。
The dead are not absent. They are just invisible.
Management brings benefits, details determine success or failure.