—— 请按键盘 空白键 开始游戏 ——

The international system is inherently competitive, and states are constantly trying to outmaneuver each other.
Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.
龙到浅水里会遭虾戏弄,虎落平原狗都会去欺负。