外贸是什么？它为何如此重要？
Foreign trade, also known as "foreign trade" or "import and export trade," is short for "foreign trade," which refers to the exchange of goods, services, and technology between one country (region) and another country (region).
Foreign trade, also known as "foreign trade" or "import and export trade," is short for "foreign trade," which refers to
Foreign trade, also known as "foreign trade" or "import and export trade," is short for "foreign trade," which refers to the exchange of goods, services, and technology between one country (region) and another country (region).