You are responsible for the welfare of the girl.你要对这个女孩的幸福负责。
They are concerned about my welfare.他们关心我的福利。
The company's welfare officer deals with employee's personal problems.公司负责福利的工作人员处理雇员的个人问题。
Most of the families in this neighborhood are on welfare.这一带的大多数家庭都接受政府的福利救济。