问题描述：
英语翻译
Which animal do we need most?Dogs?Horses?No!The answer is cows.Why cows?Cows give us milk.And milk is one of our most important kinds of food.
Which animal do we need most?Dogs?Horses?No!The answer is cows.Why cows?Cows give us milk.And milk is one of our most important kinds of food.
问题解答：
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