Ecency
[๋ง‰์žฅ์ธ์ƒ] ์ฃผํƒ๋‹ด๋ณด๋Œ€์ถœ, ์‹ ์šฉ๋Œ€์ถœ, ์ฐจ๋Ÿ‰ ํ• ๋ถ€๋Œ€์ถœ ํ’€๋ ˆ๋ฒ„๋ฆฌ์ง€ ๋งˆ์ง„๊ฑฐ๋ž˜ ๊นกํ†ต์ด ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.