I hate when I'm on a flight and I wake up with a water bottle next to me like oh great now I gotta be responsible for this water bottle.
我们希望建立一个为所有人服务的谷歌。
货币政策中的时间不一致性问题出现在政策制定者一旦经济主体形成预期后,就有动机偏离他们宣布的政策。
The joy of chemistry is in seeing the invisible become visible.