—— 请按键盘 空白键 开始游戏 ——

The greatest poverty is not to live in a physical desert, but to live as an exile in one's own heart.
The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.
你读得越多,知道的事情就越多。你学得越多,去的地方就越多。