制度是一个社会的游戏规则,或者更正式地说,是人为设计的约束人类互动的框架。
The most dangerous thing is to be alive. But it is also the most beautiful.
我一直认为我想成为职业球员,我一直知道要做到这一点我必须做出很多牺牲。
The energy transition will require unprecedented levels of investment and cooperation.