专八mini-lecture，由于答案不是唯一的，所以采取听写策略。本篇mini-lecture大概分为五个音频听写。
概述：This lecture aims to provide a better understanding of the benefits of Internet shopping by identifying and discussing the advantages of Internet shopping over traditional storefront shopping.
Besides, the Internet offers lower search costs and better product selection. Shopping using the Internet overcomes the time and pecuniary costs of traditional shopping; shoppers can shop from the comfort and convenience of home, and need not travel to physical storefronts. Shoppers are able to locate many vendors online using search engines and websites designed for shopper navigations, view detailed product information from a variety of vendor's websites, compare price and quality among different vendors, and make purchases online. With online shopping, shoppers no longer have to suffer the costs and incomplete information of traditional hierarchical search, making product searches easier and more effective. For example, a shopper is able to search over 3 million titles in from the computer screen at home, as compared to going physically to the bookstore, which carries an average of 80,000 titles.