grievance noun [C]. âº a âcomplaint or a âstrong âfeeling that you have been âtreated unfairly: A âspecial âcommittee âinvestigates âprisonersâ grievances. (Definition of grievance from the Cambridge Academic Content Dictionary Â© Cambridge University Press).
Surplus goods refers to the profit made in an economy, these goods could be any number of things eg money, resources .... Surplus goods refers to the profit made in an economy, these goods could be any number of things eg money, resources .... Surplus goods are the result of an efficient economy usually one that is a free market economy.  Surplus goods are the result of an efficient economy usually one that is a free market economy. Minor edit?
Surplus is used to describe something that is extra or that is more than is needed. Few people have large sums of surplus cash. I sell my surplus birds to a local pet shop. The houses are being sold because they are surplus to requirements.