In subsistence farming or subsistence agriculture, farmers produce food to eat themselves rather than to sell.
Many Namibians are subsistence farmers who live in the arid borderlands.
许多纳米比亚人是居住在居住在干旱的边境地区自给自足的农民。
Subsistence is the condition of just having enough food or money to stay alive.
below the subsistence level.
在生存线之下。