For the commercially motivated seller, the issue of bundling a large number of low marginal cost items so as to maximize profits needs to be dealt with.

• 其二是商品的数量相对庞大.；电子期刊的销售者在如何捆绑销售数量巨大的电子期刊文章以提高利润成为了一个诚代解决的问题。