complaint about的用法和樣例：
例句
- I have a number of complaints about the hotel room you've given me.
我對你給我的旅館房間有幾點不滿意見。 - Complaints about standards of service should be addressed to the proprietor.
對服務態度有意見者可向老板投訴。 - She lodged a complaint about the noise.
她就噪音問題提出投訴。 - We have had a string of complaints about the program.
我們已經收到了對該節目的一連串投訴。
