传统商圈理论对于研究商业企业，特别是研究零售商业企业销售辐射范围是一种有效的工具。
Traditional trade area theory is an effective tool to study business enterprises, especially to study the coverage of retail enterprises.
传统商圈理论对于研究商业企业，特别是研究零售商业企业销售辐射范围是一种有效的工具。
Traditional trade area theory is an effective tool to study business enterprises, especially to study the coverage of retail enterprises.
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