2019年在国会听证会上为9·11事件应急人员含泪呐喊
Music is the bridge of the soul.
Incentives matter because they guide behavior in predictable ways.
解释:走夜路的人可以保证自己不做坏事,但却没有办法让狗不对着自己乱叫。
The canvas is a battlefield where colors fight for survival.