—— 请按键盘 空白键 开始游戏 ——

To write is to betray, to betray is to survive.
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.
如果有人邀请你上一艘火箭船,不要问坐哪个位置,上去就行了。
人们为了不被他人评判,所以急于评判他人。