品类：商品类型覆盖范围广，分类多，商品内容以淘宝秒杀商品为主，以淘宝低

Category: The product type covers a wide range and has many categories. The content of the product is mainly Taobao spike products. The low price and activities of Taobao attract the attention. However, the product is too rich and the recommendation is not targeted, which is easy to cause users to choose difficult. Commodity settlement jumps to the mobile Taobao application, which is likely to cause user churn during operation (such as not downloading the Taobao APP).

Category: commodity type coverage, classification, commodity content to Taobao secondkill commodity-based, Taobao low-cost and activities to attract attention, but the commodity is too rich and recommended is not targeted, easy to lead to user choice difficulties. Merchandise settlement jumpto mobile Taobao app, the operation is easy to lead to user churn (such as no download hand Taobao APP).

Category: the product types cover a wide range and are classified into many categories. The main content of the product is Taobao seckill products. The low price and activities of Taobao attract people's attention. However, the products are too rich and the recommendation is not targeted, which easily leads to the difficulty of user selection. Product settlement jumps to mobile Taobao application, which is easy to lead to user loss in operation (for example, no download of hand Taobao APP).<br>