小时工,用自己的青春和汗水为诸多家庭营造了便利和幸福。然而,她们自己却由于既不可能成为真正的北京人又不甘心再回到农村,而成了一群漂泊在农村与城市之间的边缘人。 Hourly workers, with their own youth and sweat for many families to create convenience and happiness. However, they themselves became marginal people drifting between rural areas and cities because they were neither likely to be true Beijingers nor reluctant to return to the countryside.