在人类的大部分历史时期，人们在不适合耕种的土地上放牧牛羊，这样它们就把不能食用的草转变成了肉和奶。
For most of human history, cattle, sheep and goats grazed on land that wasn't suitable for ploughing, and in doing so they converted inedible grass into edible meat and milk.
9月1日发现，大量不适合人类食用的腐肉由一家德国骗子公司销往欧洲各地的食品公司。
HUNDREDS of tons of rotten meat, unfit for human consumption, may have been sold to food companies across Europe by a dodgy German firm, it emerged on September 1st.
法国的版本是：在17世纪后期，人们认为土豆并不适合食用，只能用来喂猪。
The French side states that, in the late 17th Century, potatoes were regarded unfit for humanconsumption, and only for pigs to eat.
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