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a bone of contention
a bone of contention
An unresolved problem, dispute, or disagreement. Jerry leaving his dirty dishes in the sink for days became a bone of contention between him and his roommate.
a bone of contention
a matter of disagreement Legal costs have continued to be a bone of contention between the two groups.
a bone of contention
something that people argue about for a long time The main bone of contention was deciding who would take care of the children after the divorce.