๊ท€์ฐฎ์•„์„œ ๋จธ๋ฆฌ๋ฅผ ๋ชป ๊ฐ๊ฒ ๋‹ค ๋ง๋ฆฌ๋Š”๋ฐ 30-40๋ถ„ ๊ฑธ๋ฆผ