It is not a very good idea to build your own e-commerce system.

建立自己的电子商务系统并不是好主意。

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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 article outlined the key players and security attacks and defenses in an e-Commerce system.

本文概述了e - Commerce系统中的关键参与者，安全性攻击和防御。

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They failed to check that their e-commerce system worked as intended.

FORBES: E-Commerce: One Simple Test to Avoid Going Broke

The holy grail for e-commerce, however, would be a system in which users had permanent digital certificates on their computers containing details of age, citizenship, sex, professional credentials, and so on.

ECONOMIST: Stop signs on the web

The U.S. Chamber of Commerce supports expanding the E-Verify system, which is now used by a fraction of companies, though some states require all businesses to use it to clear new hires.

WSJ: Senators in Immigration Talks Mull IDs for All Workers