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政策规则优于自由裁量,因为它们避免了时间不一致性问题。
The best way to predict the future is to create it.
经验是一所好学校,但学费很高。
你知道的越多,你就越意识到你不知道的越多。
The most important thing is to enjoy your life—to be happy—it's all that matters.
The purpose of literature is to turn blood into ink.