Social mobility - United States.

Jobs aren't enough :toward a new economic mobility for low-income families / by: (書目-語言資料,印刷品)

階級世代 :窮小孩與富小孩的機會不平等 / by: (書目-語言資料,印刷品)

Social classes

City dwellers

Poor families

Working class

American Dream.

Equality

Social mobility

United States

平等.

階級社會.

美國.