—— 请按键盘 空白键 开始游戏 ——

Labor economics is fundamentally about understanding people’s choices and constraints.
"In every war, there are two truths: the truth of the victors and the truth of the vanquished."
如果你对大人们说:我看到一幢用玫瑰色的砖盖成的漂亮的房子,它的.窗户上有天竺葵,屋顶上还有鸽子他们怎么也想象不出这种房子有多么好。必须对他们说:我看见了一幢价值十万法郎的房子。那么他们就惊叫道:多么漂亮的房子啊!