¼¿ÀÌ »¡°£»öÀ¸·Î ä¿öÁ³À» °æ¿ì 'Á¶°Ç¸¸Á·' À̶ó´Â ±ÛÀÚ°¡ ÀÚµ¿À¸·Î ³ªÅ¸³ª°Ô ÇÏ°í ½Í½À´Ï´Ù.. Ȥ½Ã ¹æ¹ýÀÌ ÀÖÀ»±î¿ä
http://betterday1.tistory.com/entry/%EC%97%91%EC%85%80study-%EC%83%89%EC%B1%84%EC%9A%B0%EA%B8%B0%EB%A1%9C-%EC%9E%90%EB%A3%8C%EC%B6%94%EC%B6%9C%ED%95%98%EA%B8%B0
¿¡ ³ª¿ÍÀÖ´õ±º¿ä