削除現象 − 項削除を中心として (1/3)

New channel DMC KeioUniversity: title sample judged 'whole' (An academic research center channel that overwhelmingly uploads full linguistics lectures, symposium talks, and expert r); passed a second screen for sellers/exam-prep/re-uploads; 1 of 3 sampled transcripts showed teaching, 1 not; titles picked one by one, checked strictly; oEmbed verified.