They can fish and feed a family or sell them to earn extra income.
人们能捕捞鱼虾养活家庭，或者出售以便得到额外收入。
Life was hard enough already without four extra mouths to feed.
生活已经足够艰辛，要再多喂四张嘴也是勉为其难。
So it's better to make feed cellulase with extra enzyme.
表明饲用纤维素酶以外加酶法为佳。
So it's better to make feed cellulase with extra enzyme.
表明饲用纤维素酶以外加酶法为佳。
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