On many aspects such as spatial location, trade status, economic basis and marketing carrier, with relying on part, Tianjin has many optimums to become a head to drive the Jing-Jin-Ji economy.

• 从空间区位、贸易地位、经济基础、市场载体等多方面分析，天津具有足够优势成为依托港口带动京津冀经济发展的龙头。