A milk-substitute formula may be tried briefly to ascertain whether milkintolerance exists, but frequent formula switching should be avoided.
偶而用替代牛奶的配方奶可以确定婴儿是否存在牛奶不耐受，但应避免频繁换用。
2
Yogurt contains active bacterial cultures that "eat" the milk sugar (lactose), making yogurt a great dairy product for those people who have a milkintolerance.
酸奶中的活性乳酸菌可以分解乳糖，使得有牛奶不耐症的人也可以饮用。
3
Rather than being caused by an overenthusiastic immune system, milkintolerance, for example, results from a lack of the enzyme the body needs to break down lactose, the main sugar in milk.