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Q:通常情况下,食物存放久了就会变酸、发臭,吃了会对身体有害,但是,新鲜的牛奶在制成酸奶后为什么反而成了更具保健功能的食品了呢?
Q: Under normal circumstances, the food will be sour after a long storage, stink, eat will be harmful to the body, but the fresh milk in the yogurt after becoming why more health food products instead?