在《大学英语》(修订本,上外教)第六册第九单元的阅读练习中有这样一个句子:The number of people who consult psychiatrists today is not,as is sometimes felt,a symptom of increasing mental ill health.”(见P．216)有人把上句理解为:“人们常常觉得,今天这么多人去找精神病医生咨询,并不表明精神病患者的正在日益增多。”此句的关键在于正确把握not的否定范围。 In the reading exercise of the sixth unit of the sixth volume of the College English (Revised, Upper Teacher), there is a sentence: The number of people who consult psychiatrists today is not, as is sometimes felt, a symptom of increasing mental ill health (see P.216) Someone understood the preceding sentence as: "People often think that the fact that so many people go to consult a psychiatrist today does not mean that the number of people with mental illness is increasing. The key to this sentence is to correctly grasp the negative scope of not.