And Amazon, the world's biggest online retailer, is also a pioneer in the field of cloud-computing services, which it has been offering for some time.
而在前一段时间亚马逊，世界最大网上零售商，作为云计算服务领域的先锋之一已经将该技术投入商用。
2
The deployment diagram in Figure 2 shows that the Retailer System consists of the following three Web services.
图2中的部署图显示零售商系统由以下三个Web服务组成。
3
As shown in Figure 1, the first four Web services contain only the data base functions, while the last two primarily use business logic to achieve the goal of sending a bill to the intended retailer.