181.上海五国第六次峰会the sixth summit of "Shanghai Five"
180.上海五国机制the Shanghai Five mechanism
183.上门服务 door-to-door service
184.上山下乡 (of educated urban youth) go and work in the countryside or mountain areas
185.上市 to be list
186. 长江中下游地区：The Mid-low Reaches of Yangtze River
187. 门当户对：Perfect Match/Exact Match
188. 《水浒》：Water Margin/Outlaws of the Marsh
189. 中外合资企业：Joint Ventures
190. 文房四宝(笔墨纸砚)："The Four Treasure of the Study" "Brush, Inkstick, Paper, and Inkstone
