If you copy someone else's statement, you must enclose the copied part in quotation marks to show that it is a direct quote. Otherwise, even if the source is indicated, it will be considered plagiarism and plagiarism.
Extended data:
The following acts are plagiarism:
(1) Hidden citation: It means that the paper adopts other people's arguments and uses other people's research results, but does not list other people's research results as references. Right-hidden citation is an omission in bibliometrics. Unlike other omissions, this omission is intentional.
② Citation: When recording references, the author should only consult and quote the original documents in person, but not quote them. Therefore, citation refers to the behavior of directly quoting other people's books instead of personally quoting them, which reflects the troubles caused by citation.
(3) Over-citation: refers to deliberately using some things or irrelevant documents as references to modify one's papers, and inappropriate references are also one of the reasons for over-citation.