108&310*/5 */ 5)*4 $"4& -*,& 5)*4 ೖೖ౭ ୡࠁ ఎೞӝ ೖೖ౭ աীѱ ݏ୶ӝ স दрਸ ৈח ೖೖ౭ णҙ ೖೖ౭ী оࣘبܳ ࠢח ߑߨ PPT이럴땐_책.indb 21 2025. 9. 18. 오후 1:25