食品应该是吃新鲜的，否则色香味会变差，严重的还会因腐败变质而丧失食用价值，甚至引起食物中毒。但是有的食品如吃得太新鲜，则会于健康不利，或是使人得病。现列举如下。牛奶最近有的报刊报道，某市农民牵着奶牛上街现挤现售，使市民既吃到了最新鲜的牛奶，还省了钱，又可 The food should be eaten fresh, otherwise the color and fragrance will deteriorate, and the serious ones will lose their edible value due to spoilage and even lead to food poisoning. However, if some foods are too fresh, they may be detrimental to health or make people sick. Here are a few examples. Some newspapers recently reported milk, a city farmer holding the cows are now on the street to sell, so that members of the public not only eat the freshest milk, but also save money, but also