他们买了一栋没有电或自来水的旧房子。

They bought an old house with no electricity or ___running ___water.

罗马人设法在他们的巨宅中安装了自来水。

The Romans managed to install ___running ___water in their huge houses.

现代卫生设施需要用到自来水。

Modern sanitation requires access to ___running ___water.