本书通过对商务、海关等管理部门所公开的相关统计进行梳理，选取了其中有典型性的外贸公司作为研究样本。通过对外贸公司上下游产业链现状的挖掘，辨析出反映市场对贸易产业链关注重点的词汇，从而为构建完整的外贸促进政策指标体系奠定基础。
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