—— 请按键盘 空白键 开始游戏 ——

The economics of gender is not a niche subject; it is central to understanding modern economies.
性别经济学并不是一个小众主题;它是理解现代经济体的核心。
I dreamed a dream in time gone by.
Quality is never an accident; it is always the result of intelligent effort.
最好的学习方法就是实践。