coals to Newcastle的用法和樣例：
例句
- They decided to work off the surplus goods.
他們決定把多餘的貨物處理掉。 - Any attempt to make up would be self-defeating.
任何塗抹都是多餘的敗筆。
辭彙搭配
- send coals to newcastle 徒勞無益(多此一舉)...
- carry coals to newcastle 做徒勞無益的事(多此...
- bring coals to newcastle 多此一舉(做徒勞無益...
- take coals to newcastle 做徒勞無益的事(多此...
