Related topics: Sociology
un·der·class /ˈʌndəklɑːs $ -dərklæs/ noun [singular] SSCLASS IN SOCIETYthe lowest social class, consisting of people who are very poor and who are not likely to be able to improve their situation 社会底层,最低阶层 an urban underclass, who have limited access to health care 不能充分享受医疗服务的城市贫困阶层
→ social exclusion