subsistence
noun [ U ] formal uk/səbˈsɪs.təns/ us/səbˈsɪs.təns/
活命，生存，维持生活
the state of having what you need in order to stay alive, but no more
The money is intended to provide a basic subsistence and should not be paid to someone who receives other income. 这些钱旨在提供基本生活保障，不应发放给有其他收入来源的人。
The family was living at subsistence level. 这家人过着勉强糊口的生活。
赖以活命的东西；生计
enough money or food to keep yourself alive