空额的英文：
vacancy
n. 空缺，空位，空白；空虚
There are a few vacancies on the second floor.
在二楼有几个空房间。
We have a vacancy for a computer programmer.
我们有一个电脑编程师空缺。
The traveller searched in vain for a vacancy at motels.
旅行者无法在汽车旅馆找到空房间。
I wonder if you have any vacancies for three nights.
不知你们有没有住三天的空房间。
His resignation left a vacancy on the board of directors.
他的辞职给董事会留下了一个空缺。