美国一家超级市场为了推销自己的优质牛奶,有一次故意宣称一批牛奶变质了,要当众倒掉,可就在刚倒掉一半时,有人送来了检验报告,证明牛奶是新鲜的,没有变质。这一下立即引起轰动,新闻媒体纷纷加以报道,对这家超级市场的负 In order to promote its own high-quality milk, a supermarket in the United States once deliberately declared that some milk had deteriorated and should be drained in public. However, just after it had been drained halfway, someone sent a test report proving that the milk is fresh and has no deterioration . This immediately caused a sensation, the news media have reported, the negative of this supermarket