Using base contracts allows for more efficient use of data within the commerce system, and requires less management effort.

使用基础契约可以更有效地使用商业系统中的数据，并且需要的管理工作也较少。

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In the case of an e-commerce system, the primary node could be either an order or a customer.

如在一个电子商务系统中，主要节点可以是一个订单或者一个客户。

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This tutorial demonstrates the use of the DOM Core API as a means for reading and manipulating XML data using the example of a series of orders from a commerce system.

本教程将使用取自商业系统的一系列订单例子，展示如何使用DOM Core API作为读取和处理XML数据的手段。

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Instead, the Department of Commerce and e-commerce firms are pushing for a different solution: in effect, a new system of private laws, which would avoid the requirement to abide by the laws of the countries where their customers live.

ECONOMIST: Stop signs on the web

"We discovered a flaw in the Department of Commerce's lockup system during a testing period sponsored by the department, " said a Bloomberg spokesman.

WSJ: U.S. Probed Media Firms on Data Reporting

The next day, they met for smoothies in Palo Alto and came up with the idea that became PayPal: a system of electronic payment designed to make e-commerce easy, consistent, and secure.

NEWYORKER: No Death, No Taxes