[] () () the part of a business or a product that always makes a profit and that provides money for the rest of the business金牛（指持续获得利润，为其他业务提供资金的业务或产品） () in theBoston Matrix , a product that has a large market share in a market that is growing very little金牛（在波士顿矩阵模型中指市场占有率高而增长率低的产品）➡ picture at Boston Matrix