What inference can be made about the authors opinion on the likelihood of students returning for multiple years? Support your answer with evidence from the text.

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."

what’s your question?

bikhri bikri zulfain..ye behki behki chaal

we need to see the document to answer the question