再次是单价低，降低了消费者第一次在网络购物的门槛，所以网上书店成了电子商务的先锋。
Again is at the low and lower consumer shopping network in the first threshold, the online bookshop has become the vanguard of e-commerce.
图书信息易于判断和选择而独具优势，最适合网上交易，因此网上书店成了电子商务的先锋。
Book Information which is easy to judge and select possess the unique advantages for online transactions, consequently on-line bookstore has become a pioneer in e-commerce.
图书信息易于判断和选择而独具优势，最适合网上交易，因此网上书店成了电子商务的先锋。
Book Information which is easy to judge and select possess the unique advantages for online transactions, consequently on-line bookstore has become a pioneer in e-commerce.
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