12 Annotations only remove the reading barriers encountered by readers in a certain place. It does not touch the pronunciation, does not speak other meanings and usages of words, and does not touch the sense of sentiment, sentiment, etc. , which is not given to the reader. The whole content is only a one-sided vocabulary. Adding vocabulary to the brain for a long time, it is easy to develop a habit that students do not want to understand. The main meaning of this text is:. ['Stress the disadvantages of annotations.', 'Criticism is not comprehensive.', 'Avoid reading books.', 'Learn vocabulary comprehensively.']