So, what happens if your child has a milk allergy, is lactose intolerant, or simply doesnt like to drink milk? 因此，要是你的孩子对牛奶过敏，或者有乳糖不耐症，抑或仅仅不喜欢喝牛奶，那该怎么办？
Half of the world's population have lactose intolerance, a higher proportion of Asians. 世界人口的一半有乳糖不耐症，亚洲人中的比例更高。
