ํ•ญ์ƒ ๋ฉธ์‹œ๋ฐ›๋˜ ๊ทธ ๋น„ํŠธ์ฝ”์ธ์ด ๋งž๋ƒ?ย 


์›๋ž˜ ์ด์ƒˆ๋ผ 70%์ด์ƒ ๋น ์ ธ์•ผํ•˜๋Š”๋ฐ


๋„ˆ ์„ฑ์žฅํ–ˆ๊ตฌ๋‚˜..