rural old农村高龄老人ruraladj.农村的，乡村的，田园的rural private enterprise农村民营企业rural harmonious society农村和谐社会rural population in city城市农村人口rural social development农村社会发展rural land expropriation农地征用rural hydromodernization农村水利现代化rural labor force shifts农村劳动力转移rural junior high school农村中学rural workforce transfer农村劳动力转移rural medical and health农村医疗卫生