๊ฒฐ๊ตญ step์ด๋ž‘ slope๋Š” ํฌ๊ธฐํ•˜๊ณ  ๋ฒฝ์ ํ”„ ์ ํ”„ ์›€์ง์ด๊ธฐ ๋ฒฝํƒ€๊ธฐ๋งŒ ๋…ธ๋ฆฌ์ง€๋“œ ๋ฐ”๋””๋กœ ๋งŒ๋“ค๊ณ  ์ ‘์Œ ์Šˆ๋ฒŒ..