The time inconsistency problem in monetary policy arises when policymakers have an incentive to deviate from their announced policy once economic agents have formed expectations.
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。
最好的建筑既是普遍的，又是地方的。
Mental life is a series of experiments in adaptation.
保持孩子健康的最佳方式是让他们保持活跃并均衡饮食。
The essence of cryptography is to allow communication in the presence of adversaries.
时间不是线性的；它是一个循环。