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这其中的历史经验教训极为珍贵。
The historic experience lesson is extremely precious.
youdao
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要解决现实问题，必然应对过去的历史经验教训进行总结。
To solve the realistic problem, we should summary the past history experience.
youdao
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要解决现实问题，必然应对过去的历史经验教训进行总结。
To solve the realistic problem, we should summary the past history experience.
youdao