subsistence
/-təns; -təns/ n[U]
(means of) subsisting 存活; 生存; 生计; 维生之道
reduced to subsistence on bread and water 降到以面包和水维持生活
[attrib 作定语]
subsistence farming, ie farming that produces only enough crops for the farmer and his family to live on, leaving no surplus which could besold 自给农业（收成仅供自家食用, 无剩余出售者）
a subsistence wage, ie one that is only just enough to enable a worker to live 勉强糊口的工资.