https://twitter.com/Sebbit0419/status/1597589311129817088 https://twitter.com/Sebbit0419/status/1597774290971398145 https://twitter.com/allbymyheart/status/1597805990044319745 교수가 뭘 알어! ㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠㅠ