Endnote: If it is a periodical, don't worry about it. If the monograph has been cited for many times (at least 5 times), when there are too many pages in the references at the end of the article, it is necessary to add the page number after the citation [1]. It can be written as [1:23][ 1:25] ... or [1]p23, [1]p25 ... or [1] (p23), [ .......

Footnotes: Footnotes should be quoted once, and different serial numbers should be used on this page.