—— 请按键盘 空白键 开始游戏 ——

The most important thing in a user interface is the feedback.
Evidence-based policymaking leads to better outcomes.
搭便车的时候,你得看上去像一个你自己也愿意接上车的人。
The joy of solving a mathematical problem is unparalleled; it is a moment of pure intellectual triumph.
"You can't change what you refuse to confront."