Citation (including opinions, data and materials, etc.). The source must be indicated in this paper, that is, the reference description (the reference description of this journal adopts the sequential coding system; The places where quotations appear in this paper are marked with Arabic numerals in turn, and the bibliography is listed at the end of the paper. If you explain some contents, or quote classic works, leaders' speeches, documents and regulations, internal materials, tool dictionaries, and quote related articles, you can use them as comments (indicate the author, title and source).

Annotations are words that introduce and comment on the vocabulary, content, background and quotations of books or articles. The annotation of ancient books began in the pre-Qin period. China in ancient times was divided into four parts, namely, annotation, explanation, biography, writing, sparseness, chapters and sentences. It contains a wide range of contents. Sound and meaning, time and place, people's deeds, allusions and background of the times are all annotation objects. There are footnotes, notes at the end of the text, and notes in brackets.