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。
The most important thing about a technology is how it changes the way we live.
官员不会永远尊贵，百姓也不会永远贫贱。
El verdadero viaje de descubrimiento no consiste en buscar nuevos paisajes, sino en tener nuevos ojos.
People who say it cannot be done should not interrupt those who are doing it.
那些善于学习的人们，应当能够求得其学习的甚解，了解之所以这样的缘故，不应当只求得背诵文章，看看便可以了。