他在市中心买了一套不错的不动产。

He bought a nice piece of ___real estate in the city center.

她决定投资房地产，因为这是一个稳定的收入来源。

She decided to invest in ___real estate because it's a stable source of income.

他们在郊区购买了一块房地产，计划建造一栋别墅。

They bought some ___real estate in the suburbs and plan to build a villa.