—— 请按键盘 空白键 开始游戏 ——

The first duty of the sovereign, that of protecting the society from the violence and invasion of other independent societies, can be performed only by means of a military force.
坚持到底。无论发生什么,都要坚持你的计划。
毕尔巴鄂古根海姆博物馆改变了我的生活。它证明了建筑可以改变一座城市。
"The beauty of mathematics in computer science lies in its ability to model and solve real-world problems with abstract concepts."