We call urban social change the redefinition of urban meaning.

城市中社会的变迁过程便是反复重新定义城市内涵的过程。

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Without change of their social status, these workers can't be mixed into the urban society in a basic sense.

如果没有社会身份的转变，农民工就不可能从根本上融入到城市社会中去。

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Combined with some statistical methods, it also explores the influential factors of urban neighborhood and how they work from the view of social change, individual-interaction and function.

同时，通过罗吉斯蒂回归、因子分析等统计方法，对影响城市邻里关系的宏微观作用机制予以实证性的解释。

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Key themes of SD in the region include among other things poverty alleviation, citizenship, peace, ethics, responsibility in local and global contexts, democracy and governance, justice, security, human rights, health, gender equity, cultural diversity, rural and urban development, economy, production and consumption patterns, corporate social responsibility, environmental protection, climate change, prevention and adaptation, natural resource management, biological and landscape diversity.

UNESCO: Education