今天国家和区域间的文化交流越来越密切。
Today the cultural communication between different countries and regions has been intensified.
大都市区是一个国家和地区经济发达的城市化区域。
Metropolitan area (MA) is an urbanized region of an economically developed country and region.
大都市区是一个国家和地区经济发达的城市化区域。
Metropolitan area (MA) is an urbanized region of an economically developed country and region.
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