Electronic commerce can be defined as an online exchange of value.

电子的商业能被定义为价值的在线交换。

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In this paper, based on CORBA transaction service and security service, we design an online exchange application.

文中，基于CORBA的事务服务和安全服务构建了一个网上交易的应用。

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Online rating platforms—specializing in hotels, restaurants, apartments, and taxis—allow travelers to exchange reviews and experiences for all to see.

专门针对酒店、餐馆、公寓和出租车的在线评分平台，允许旅行者交流评论和体验，所有人都能看到。

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The amendment makes it a crime for anyone to deploy peer-to-peer technology that facilitates the exchange of copyrighted material online.

VOA: standard.2009.04.23

It claims to be reaping tens of millions of dollars in savings by doing procurement through a private online exchange.

FORBES: Evolution, not revolution

In the online exchange, each employee receives 10, 000 virtual dollars to invest in an online portfolio of ideas generated by employees.

WSJ: My Colleague, My Paymaster

As CarMax had done for automobiles and as eBay had done for old furniture in the attic, the online exchange could consolidate the splintered health-insurance market.

NEWYORKER: Romney��s Dilemma