on a lower floor
01
下の階に, 下に
on a floor beneath the current one, typically the ground floor or lower levels of a building
例
The office is located on a lower floor of the building.
オフィスは建物の下の階にあります。
The apartments on a lower floor tend to be less expensive.
低い階のアパートは通常、値段が安い傾向にあります。
