cash cow
お金を産む牛、金になる乳牛
稼ぎ頭の
ビジネス
ドル箱
https://source.unsplash.com/featured/?cash-cow#.png
/suto3/google.icon
cash cow
image
cash cow
define
cash cow
wikipedia
cash cow
weblio
cash cow
kotobank
cash cow
jisho
cash cow