E-commerce systems can operate all day every day.

电子商务系统可以每天任何时候都进行工作。

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We designed a personalized E-commerce systems framework, the completion of a common process for the reality of personalized e-commerce system provides a useful reference.

论文设计了一个电子商务个性化系统框架，完成了通用流程，为现实的电子商务个性化系统提供了有益的参考。

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To protect their businesses, video chains are competing to develop their own video-on-demand and e-commerce systems.

BBC: Movies on the web

Cooper said he joined the fashion site because of his appetite for e-commerce (he helped develop e-commerce systems for both the NHL and NFL).

FORBES: The C-Suite Shuffle: How To Jump To A New Industry

If, say, the marketing department built a site for a band, it would have to unify multiple technology systems, including discussion forums, video players and e-commerce systems--and constantly update these hodge-podge systems with new content to regularly attract consumers.

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