To bring something of which you have much of somewhere, to duplicate something (Newcastle is a town in England where there is much coal). To do something unnecessary.
Bringing extra food to the farmer`s picnic was like bringing coals to Newcastle.
To bring something of which you have much of somewhere, to duplicate something (Newcastle is a town in England where there is much coal). To do something unnecessary.
Bringing extra food to the farmer`s picnic was like bringing coals to Newcastle.