精选优质文档-倾情为你奉上常用于引言段的句型1. Some people think that . To be frank, I can not agree with their opinion for the reasons below.2. For years, has been seen as , but things are quite different now.3. I believe the title statement is valid because.4. I cannot entirely agree with the idea that . I believe.5. My argument for this view goes as follows.6. Along with the development of, more and more.7. There is a long-running debate as to whether.8. It is commonly/generally/widely/