Cannibalization: That portion of the demand for a new product that comes from the erosion of the demand for (sales of) a current product the firm markets. (See Chapter 34 in The PDMA HandBook 2nd Edition).
抢食效应:因放弃现有产品而转向新产品的需求比重。(参见PDMA新产品开发手册第二版第34章)
