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Դzhanqunjishuduange    ʱ䣺2019-11-17 05:28:08  ֺţ С     

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PK彩票北京快三ڸ֪Ҫѧ֪ʶѡ͸ƱƼƼ10Learning without thought is useless; thought without learning is dangerous.

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9Knowledge without practice makes but half an artist.͸ƱƼƼ




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