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city centre (esp. of Tokyo); heart of a city; downtown area
都心のマンションは家賃が高いです。
Apartments in the city center have high rent.
都心のマンションは家賃が非常に高い。
Apartments in the city center have extremely high rent.
都心から郊外へ引っ越す家族が増えた。
More families have been moving from the city center to the suburbs.