The suburbs; residential areas on the outskirts of a city, often commuter towns outside the urban center.
彼らは子育てのために郊外に引っ越した。
They moved to the suburbs for raising their children.
郊外のショッピングモールは週末に混む。
Suburban shopping malls get crowded on weekends.
通勤時間が長くて、郊外から都心に通うのは大変だ。
Commuting from the suburbs to the city center with long travel times is tough.