maintenance operator的用法和樣例：
例句
- The Excel Centre in the Beijing Financial Street District has immediate opening for a Tradesman, Maintenance.
坐落于北京金融街的卓著(zhù)中心即將開(kāi)業(yè)，急需一名綜合維修工。 - What they do, I'm told, is persuade people like cleaners and maintenance staff to become informers.
我聽(tīng)說(shuō)，他們往往說(shuō)動(dòng)清潔工和維修工一類(lèi)的人給他們報信。
