subsistence
/səbˈsɪstəns/
minimal (or marginal) resources for subsisting
中文释义：生存；生计
Many rural communities rely on subsistence farming for their daily needs.
许多农村社区依靠自给农业满足日常需求。
The refugees struggled to find enough food for subsistence.
难民们艰难地寻找足够的食物维持生存。