1. The US President Richard Nixon paid an official visit to China, during which Sino-US joint communique was issued in Shanghai. 美国总统理查德·尼克松对中国进行正式访问，其间《中美联合公报》在上海发表。
2. He's hopped to a sino-japanese joint venture. 他又跳槽到一家中日合资企业。
3. Both sides also exchanged views on Sino-Arab relations. 双方还就中阿关系交换了意见。
4. He said the Sino-Portuguese relations have a long history. 葡中关系有着悠久历史。
5. What does China hope to achieve in concrete from Sino-US summit? 中方希望从这次中美首脑会谈中取得什么样的具体成果？
