3 Metaphors for surpluses

We are in need of arms, at every moment, since without them it is impossible for us, who inhabit so great a city and hold so extensive an empire, to live safely: now the surplus of money will be a mighty assistance in this matter.

The balance was used by the Spanish Minister of Ultramar, the Government being of opinion that surpluses in colonial treasuries were a source of danger.

The surplus this year is about 2 millions.

3 Metaphors for  surpluses