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livelihood; living
彼は絵を描いて生計を立てている画家だ。
He is an artist who makes a living by painting.
農業だけで生計を維持するのは難しい時代だ。
It is an era when it is difficult to maintain a livelihood with agriculture alone.
副業を始めて生計の足しにしている。
I started a side job to supplement my livelihood.