生計
the minimum income needed for subsistence
生計に必要な最低収入
生存手段
the garden provided not only subsistence but a little cash crop
その庭は生存手段だけでなく、少しの現金作物も提供した
自給的な
subsistence agriculture
自給的農業
存続
rights of occupation normally only continue during the subsistence of the marriage
占有権は通常、結婚の存続中のみ続く