extend our sincere congratulations on 对…表示衷心祝贺
　　model city of water conservation 节约用水先进城市
　　attain the results expected 使…取得预期效果
　　confer honorable awards on 授予…光荣称号
　　strive for 为…而奋斗
　　a city of severe water shortage 严重缺水城市
　　units concerned 有关单位
　　compared with ,there is still some way to go 与…比有差距
　　wish a complete success 预祝…圆满成功
　　broaden sources of income &reduce expenditure 开源与节流并重
　　seaport for foreign trade 对外贸易港口
　　merrily gather 欢聚一堂
　　vigorous economic region 活跃的经济带
　　solid foundation 基础雄厚
　　may you have a most pleasant impression 留下最美好的印象
　　the grand occasion 盛世
　　wish a pleasant stay 祝愿在停留愉快
　　comprehensive commercial seaport 综合性商港
　　spring is very much in the air 春意盎然