“他是北京人,而不是上海人。”这一复句各分句间的关系,究竟是并列,还是转折?这一问题曾使许多人争论不休。持“转折”观点的人说,两个分句使用的判断动词“是”和“不是”在意义上是相反的,因而,第二句不是顺着第一句意思说下来,而是来了一个转折;并且认为,其中有一个“而”字,就是明证,因为“而”是表示转折关系的连词。这种观点正确吗?不正确。原因有二: “He is a Beijinger, not a Shanghaiman.” The relationship between the sentences in this complex sentence is whether it is a juxtaposition or a turning point. This problem has caused many people to argue. Those who hold the “turning” point of view say that the verbs “Yes” and “No” used in the two clauses are opposite in meaning. Therefore, the second sentence is not followed by the meaning of the first sentence, but comes. A turn; and think that there is a “and” word, which is the proof, because “and” is a conjunction that represents the transitional relationship. Is this opinion correct? Incorrect. There are two reasons: