As unnecessaries the luxury possess the trait of long history, high ratio of value and quality and the relativity of time and space.

奢侈品作为非生活必需品，具有悠久的历史、较高的价值质量比和时空的相对性等特点。

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As unnecessaries the luxury possess the trait of long history, high ratio of value and quality and the relativity of time and space.

奢侈品作为非生活必需品，具有悠久的历史、较高的价值质量比和时空的相对性等特点。

youdao