Please contact the building custodian if the conference room heater stops working again.

如果會議室的暖氣又故障，請聯絡大樓管理員。

The hotel hired a new custodian to maintain the gardens and outdoor pool area.

這家飯店聘請了一位新的管理員來維護花園和戶外泳池區。

Our office custodian locks all the doors and checks the alarms every evening at eight.

我們辦公室的管理員每晚八點會鎖好所有門並檢查警報系統。