moneymaker /ˈmʌnɪˌmeɪkə/

• 1. 

  N-COUNT If you say that a business, product, or investment is a moneymaker, you mean that it makes a big profit. 赚钱的生意 [商业]

  例：

  The drug is a big moneymaker for them.

  毒品对他们来说是个赚钱的大买卖。