subject: Shopping Trap [print this page] When it comes to shopping, you must be very familiar, because you can not live without shopping. In the daily life, you have to frequently buy clothes, shoes, foods, family-used items such as tissue paper, brush, shampoo and so on. You must have such experience: when some festivals come, most supermarket and shopping malls hold various promotion activities, for example, you can get more discounts if you buy a large number of the same items, or you can get some free gifts if you buy certain products.
However, when it comes to shopping online, what is the most common promotion model? I
