—— 请按键盘 空白键 开始游戏 ——

The only thing we have to fear is fear itself.
The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?
我是个妓女,而且我因为建造高楼而得到很好的报酬。