The concept of assets specificity is useful in analyzing the action of trade, whilst the theory on it has its logistic weak points.

资产专用性概念引入对交易行为的分析是有用的，但资产专用性理论的逻辑是有问题的。

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After all, non-productive enterprises, including logistic and foreign trade companies, provide an important support to all the free trade zones.

毕竟，包括物流仓储与外贸等在内的非生产性企业是各地保税区的重要支撑。

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It incorporates various functions including international free trade, export processing, logistic distribution, warehousing and bonded commodities exhibitions and trade.

集国际贸易、出口加工、物流仓储及保税商品展示交易等多种经济功能于一体。

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