判断题 PayPal can only be used on eBay by merchants worldwide.

判断题 Compared with physical stores, online shops save their advertising costs.

判断题 The G2C business model allows citizens to interact with government agencies online.

判断题 In a B2C model the business responds to the consumer’s requested product and its price.

判断题 C2B electronic commerce is also known as e-tailing.