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http://www.cymc.org/board/15286
https://youtu.be/bPkbm03bJEg
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1. õ±¹Àº Àִ°ǰ¡¿ä? ÀÖ´Ù¸é ¾î¶»°Ô ¾Ë ¼ö ÀÖ³ª¿ä?
2. õ±¹Àº ¾î¶² ³ª¶óÀÌ°í ¾î¶»°Ô µé¾î °¥ ¼ö ÀÖ³ª¿ä?