民族和文化是作为想象存在的，本质上是流动的。
The nation and culture is imagination and its innate character is flowing.
礼物的流动不是盲目的，而是遵循着一定的社会规范和文化。
The flowing of the present is not blind but obeys certain social rules and culture.
礼物的流动不是盲目的，而是遵循着一定的社会规范和文化。
The flowing of the present is not blind but obeys certain social rules and culture.
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