https://www.youtube.com/watch?v=A6aE4nceJt8
--
Practice doesn't necessarily make perfect, but it makes permanent.
Premature practice (practice beyond the learner's competence) or practice
without error correction makes imperfection permanent.
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 220.136.213.181 (臺灣)
※ 文章網址: https://www.ptt.cc/bbs/teaching/M.1714746230.A.B63.html