家住北海市北云市场附近的一位戴眼镜的老伯，每天傍晚都要到云南路旁，让奶牛养殖户挤一瓶鲜牛奶，带回家去喂孙子。北海近年来这种“鲜牛奶当街挤着卖”的现象，引起一些消费者担心：喝这样的牛奶安全吗？ 近年来由于媒体揭露一些奶制品生产厂家用奶粉冲制“鲜牛奶”，并在“ An old man wearing glasses near Beiyun Market in Beihai City must go to Yunnan Road every evening for crowding a bottle of fresh milk and go home to feed his grandson. In recent years, the phenomenon of “selling fresh milk in the street” in the North Sea has caused some consumers to worry that it is safe to drink such milk. In recent years, due to the media to expose some dairy manufacturers brewing milk, “fresh milk” and "