Definition
an issue or subject that causes persistent disagreement or conflict
爭議之源
The piece of land has been a bone of contention between the family members.
這塊土地一直是家庭成員之間的爭議焦點。
The question of who should lead the project has been a bone of contention in their team.
誰應該領導這個項目一直是他們團隊中的爭議焦點。
The terms of the contract were a long-standing bone of contention during their negotiations.
合約條款一直是他們談判中長期存在的爭議焦點。