电子商务是指通过互联网进行的所有商业交易，包括消费者交易和企业对企业交易。

The term e-commerce refers to all commercial transactions conducted over the Internet, including transactions by consumers and business-to-business transactions.

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为了提供这些服务，互联网的体系结构和传递服务所通过的商业模型两者或许都将改变。

To provide these services, both the architecture of the Internet and the business models through which services are delivered will probably have to change.

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为了限制和惩罚通过互联网发送未经索取的商业电子邮件而规范商业活动。

To regulate interstate commerce by imposing limitations and penalties on the transmission of unsolicited commercial electronic mail via the Internet.

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