近年来，随着当代艺术高端市场的式微，平价艺术品销售在网络逐渐兴起。

WHILE the high-end contemporary art market has dipped in recent years, new retailers of affordable art are emerging online.

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科学就是对事实、数据、人口、价格、运输、分销网络、人均国民生产总值、购买力平价和产品生命周期等的分析统计。

The science comes in the analysis of the facts and figures, demographics, pricing, transportation and distribution networks, GNP per capita, Purchasing Power Parity, Product lifecycle.

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