a cash cow

výnosný obchod, zlatá baňa

1. It becomes a cash cow business in that you generate a lot of money from existing assets, with minimum investment. BNC

2.  This would be quite consistent with seeing the product as a high-yielding cash cow, in the mature stage of its life-cycle. BNC

3. A chocolate and wafer combination, it strikes directly at arch-rival Rowntree's £130m cash cow Kit Kat. BNC

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