["https:\/\/industry.unist.ac.kr\/wp-admin\/admin-ajax.php?action=mb_download&postid=2031","https:\/\/industry.unist.ac.kr\/wp-admin\/admin-ajax.php?action=mb_download&postid=2026","https:\/\/industry.unist.ac.kr\/wp-admin\/admin-ajax.php?action=mb_download&postid=2020","https:\/\/industry.unist.ac.kr\/wp-admin\/admin-ajax.php?action=mb_download&postid=2021"]