—— 请按键盘 空白键 开始游戏 ——

The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.
Art history is always written from somewhere - the question is where you're standing when you write it.
我为胜利而比赛。无论是在自行车上还是在车里,永远都是一样的。
La verdadera poesía es aquella que nace del dolor y de la alegría.