摘要
On February 28,45 years ago,after months of negotiations,China and the United States issued a joint communiquéin Shanghai,which signaled the beginning of normalizing relations.The document,
China and U.S.continue to make headway based on historic pact On February 28,45 years ago,after months of negotiations,China and the United States issued a joint communiquéin Shanghai,which signaled the beginning of normalizing relations.The document,commonly known
