the outer parts of a town, where there are houses, but no large shops, places of work, or places of entertainment

They live in a two-bedroomed house in the heart of suburbia. 他们住在设施缺乏的市郊中心区一栋两居室的房子里。

the way of life of people who live in the outer parts of a town

He has written a book about middle-class suburbia. 他写了一本有关郊区中产阶级生活的书。