Ecency
[ μ „μžν™”ν μ΄ν•΄ν•˜κΈ°(14) ] μš°λ¦¬λŠ” μ™œ κ°€μΉ˜ μžˆλ‹€κ³  λ§ν•˜λŠ”κ°€?(1) (μŠ€νŒ€νŽΈ) / Why do we say it is... | Ecency