Not all women have the choice whether or not to breast-feed their babies.不是所有的妇女都能选择是否用母乳哺育自己的孩子。Not all women have the choice of whether or not to breast-feed their babies.并非所有女性都能选择是否给宝宝进行母乳喂养。You would expect babies to know how to breast-feed by instinct.你本以为婴儿会本能地知道如何吃奶。Like humans, sows also breast-feed their babies.与人一样,母猪也给自己的幼仔喂奶。