์•„๋ž˜ ํ”ผํŠธ ๋ญ์“ฐ๋ƒ? ์•„๋ž˜ ๊ฐˆ์•„๋ฒ„๋ฆฌ๊ณ  ๋„“์งํ•œ ํ”ผํŠธ ์“ฐ๊ณ ์‹ถ๋„ค;