I'm not gonna let you hurt me no more
Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.
气候变化是本世纪的战斗,我们必须赢得胜利。
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根据宣布的政策采取行动后,就有动机偏离该政策。