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One can't proceed from the informal to the formal by formal means.
随机评估可以帮助我们了解发展中哪些措施有效,哪些无效。
Every challenge is an opportunity to learn and grow.
我写作是为了与他人联系,弥合我们之间的差距。
The ability to generalize from limited data is a hallmark of effective learning algorithms.