Labor contracts and labor remuneration of migrant workers 并列题名：Labor contracts and labor remuneration of migrant workers City integration of new generation of migrant workers housing and citizenization of migrant workers based on social surveys of the new generation of migrant workers Research on citizenization of migrant workers Social mobility and entrepreneurship of migrant workers 并列题名：Research on citizenization of migrant workers the social mentality of the new generation of migrant workers 并列题名：City integration of new generation of migrant workers