ground layer的用法和樣例：
例句
- Mail items may be handed over to the doorman or receptionist if such persons are present on the ground floor.
一地面層設有管理服務人員或郵件收發處者，各類郵件得交管理服務人員或郵件收發處收領。 - The showroom, which is housed in a former Victorian Factory, operates on two levels, with office spaces on the ground floor with the showroom located on the basement level.
陳列室，這是住在前維多利亞廠，經營兩個層次上，以辦公空間在地面層的展廳設在地下一層。
