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The tributary system is one of the main patterns reflecting the Sino-foreign relations in ancient China.
朝贡制度是古代中国对外交往的主要模式之一。
youdao
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The tributary system is one of the main patterns reflecting the Sino-foreign relations in ancient China.
朝贡制度是古代中国对外交往的主要模式之一。
youdao