—— 请按键盘 空白键 开始游戏 ——

The poor face constraints that are often invisible to policymakers.
Every problem in mathematics is an opportunity to learn something new.
Law is not just a set of rules; it is also a practice and a profession.
我不怕被人批评,最怕的是没人理我。
最好的肥料是农民在田间的身影。