be a license to print money
US /bi ə ˈlaɪ.səns tu prɪnt ˈmʌn.i/
UK /bi ə ˈlaɪ.səns tu prɪnt ˈmʌn.i/

1.
印鈔票的許可證, 非常容易且有利可圖的賺錢方式
to be a very easy and profitable way of making money
:
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Opening a coffee shop in that prime location would be a license to print money.
在那個黃金地段開咖啡店將是印鈔票的許可證。
•
His new business venture seems to be a license to print money, with profits soaring every month.
他的新商業冒險似乎是印鈔票的許可證,利潤每月都在飆升。