几年前曾读过一本苏联心理学家K·普拉东诺夫写的《趣味心理学》，一翻开就着迷了。在这本书的《序言》里，作者价绍了本书的基本内容后，特意推荐了其中第一百九十三页的内容，要求读者马上去读。“然而”，作者紧接着别出心裁地写道：“现在可别读第二百三十页上的故事！”为 A few years ago I read “Fun Psychology,” written by Soviet psychologist K Pratonov, and became fascinated as soon as it opened. In the preface to the book, the author, after having applauded the basics of the book, specifically recommends the content of the one hundred ninety-third page, asking readers to read it immediately. “However,” the author wrote in a thoughtless way: “Do not read the story on page 230 now!”