welfare law[法] 福利法
welfaren.福利;福利事业;幸福
welfare expenditure福利事业费
welfare-to-work以工代赈
welfare enterprises福利企业
welfare obligations福利性义务
welfare microfinance福利主义小额信贷
welfare organization福利组织
welfare satisfaction福利满意度
welfare reallocation财富再分配
welfare for the aged养老福利
welfare maximization福利极大化