5초, 시간을 잘쓰자!!

http://ucc.media.daum.net/uccmix/zine/mega/sisapress/200507/26/sisapress/v9688972.html?u_b1.valuecate=4&u_b1.svcid=02y&u_b1.objid1=16602&u_b1.targetcate=4&u_b1.targetkey1=20184&u_b1.targetkey2=9688972