์†ํฌ๊ธฐ 18.2~3 10. 10. ํŒœ๊ทธ๋ฆฝ ํ•‘๊ฑฐ๊ทธ๋ฆฝ ์‚ฌ์ด ๋ญ๊ฐ€ ๋” ๋‚˜์Œ?