gentrification
noun [ U ] uk/ˌdʒen.trɪ.fɪˈkeɪ.ʃən/ us/ˌdʒen.trə.fəˈkeɪ.ʃən/
（地区的）贵族化
the process by which a place, especially part of a city, changes from being a poor area to a richer one, where people from a higher social class live
Ordinary working people have been priced out of East London by gentrification. 普通劳动人民因地区贵族化而被赶出了东伦敦。