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íŒ½ì°½í˜• ìž„í”Œëž€íŠ¸ ì‚¬ìš©ë²• ì‹œì—° ì˜ìƒìž…ë‹ˆë‹¤ ì„¸ì›€ë¹„ë‡¨ê¸°ê³¼ í™ˆíŽ˜ì´ì§€ http://www.sewum.com ì„¸ì›€ë¹„ë‡¨ê¸°ê³¼ YouTube ì±„ë„ https://www.youtube.com/channel/UCysoQOQYepWfnh7sKnXm0Yw ë°œê¸°ë¶€ì „ ë°”ë¡œì•Œê¸° YouTube ì±„ë„ https://www.youtube.com/channel/UCYWAb8hr2ErGsPUXDxgwv3g