2.0์—์„œ 2.1์„ ๊ตฌํ˜„ํ•œ ๋ ˆ๋ฒจ


์–ด๋–ป๊ฒŒ ๊ตฌํ˜„ํ–ˆ์ง€ ์‹ถ์€ ํŒŒํŠธ๋“ค์ด ๊ฝค ์žˆ์Œ