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Դzhanqunjishuduange    ʱ䣺2019-11-18 17:36:29  ֺţ С     

֪ʶȷ˶ޱȵ̫ĹΤ˹1分幸运28大小տ7He who will not learn when he is young will regret it when he is old.

տ9Learning is like rowing upstream; not to advance is to dropback.10Learning is the eye of the mind.

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