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Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
教育不仅仅是建造学校,而是确保孩子们真正学到知识。
PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。
If you're afraid to fail then you're probably going to fail.