跨国合作是解决全球粮食挑战的关键。
Collaboration across borders is key to solving global food challenges.
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。
I don't make music for the critics, I make it for the people.