—— 请按键盘 空白键 开始游戏 ——

A good abstraction is one that captures the essential aspects of a concept while ignoring the irrelevant details.
The key to successful investing is to have a long-term perspective and to stick to your strategy.
我不是得分手,我是一个篮球运动员。
"The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."
A sustainable world starts with sustainable choices.