Are there any differences between breast-fed and bottle-fed children? I have a friend who has three children, the older two of whom were bottle fed and the younger of whom was breast fed. She often says that the younger child is more intelligent.
比較吃母奶和吃牛奶的孩子有什麼不同，我有一個朋友，她前兩個孩子吃奶粉，老三自己餵，她常說小的比較聰明。