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.
如图1所示，前四种Web服务仅包含基本功能的数据，而最后两个主要使用业务逻辑来达到向零售商发送帐单的目的。
How long should it take to build a web user interface that interacts with this data and that integrates with our existing code base?
构建与这些数据交互的Web用户界面，并和已有代码集成要花多长时间呢？
On top of that, your shopping cart has slowed to a crawl because thousands of packets of useless data are slamming into your Web site, creating annoyance and outright anger in your customer base.
此外，您的购物车也慢得跟蜗牛一样，因为数千个无用数据包正在冲击您的Web站点，这也使客户烦恼和愤怒。
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