That in fact, the publishing process -- just because of the fact that it's complicated, it's heavy, books are expensive -- creates a sort of a wall between authors of books and the ultimate users of books, be they teachers, students or just general readers.
事实上，谈及出版过程—— 正因为出版过程相当复杂， 书籍沉重，而且书籍价格昂贵等这些事实—— 结果造成了一本书的作者 和终极读者之间的一堵墙， 不论这些最终用户是教师、学生，或只是一般读者。