求翻译：我在北京大学进行经济学的学习和研究工作已经五年了.我曾经研究过教育、最低工资、农民工和流动人口、Household Register System、房地产政策、Income Gap、Distribution、Consumption Demand of Rural Residents等课题是什么意思？

The economics of learning and research work at Peking University for five years. I have studied education, minimum wage, migrant workers and mobile populations, household the register system, the real estate policy, the income gap, distribution, consumption demand of rural residents topics such as

I am at the Beijing University of Economics studies and research work has been 5 years since I have studied the . education, the minimum wage, unskilled workers and migrant, Household Register System, real estate policy, Income Gap Distribution , , Rural Residents Consumption Demand of topics such a

I carried on the economic in Beijing University the study and the research work already five years. I have studied the education, the minimum wage, the peasant laborer and the transient population, Household Register System, the real estate policy, Income Gap, Distribution, topics and so on Consumpt

My study and research work in economics, Peking University has been more than five years. I have studied education, minimum wage, migrant workers and mobile populations, Household Register System and real estate policies, Income Gap, Distribution, Consumption Demand of Rural Residents and other topi

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