id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ssh-454	Deng, Yiwei	A Literature Review of Linguistic Research in Public Service Announcements	2022	8	.pdf	application/pdf	4731	243	40	Besides, this study also provides suggestions for future research directions so as to expand the research horizon of linguistics and provide references to design the language of PSAs language. For example, using a self-built corpus, Li (2017) summarised and analyzed the linguistic phenomena existing in PSA language from a pragmatic perspective, and further illustrated the positive impact of PSAs’ pragmatic functions from different perspectives on their persuasive effects, as well as the strategy of expressing PSAs through conforming to the audience’s psychological world.	cache/ssh-454.pdf	txt/ssh-454.txt