subsistence /səbˈsɪstəns/ noun Learner's definition of SUBSISTENCE
[noncount]
: the amount of food, money, etc., that is needed to stay alive维持生活；勉强活命；生存 -
They depended on hunting and fishing for subsistence.他们靠打猎和捕鱼为生。
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Farming is their means of subsistence.务农是他们的谋生手段。
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subsistence farming/agriculture [=farming that provides enough food to live on but not enough food to sell to other people]自给农耕/农业
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More than a quarter of the population lives below (the) subsistence level. [=a level of income that provides only enough money for basic needs]超过四分之一的人口生活在基本生活水平线以下。