One of the biggest changes to the marketing mix is online purchasing.

对于电子商务组合而言，最大的变化就是网上购物。

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You can buy books online purchasing systems and other operations.

说明：网上购书系统 可以购买书籍等操作。可以添加删除等操作。

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The hypothetical online purchasing system also provides a good example for data integrity.

虚构的在线购物系统还提供了很好的数据完整性的例子。

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One strategy is to create mobile points of sale within retail stores by equipping sales associates on the sales floor with tablets for easy online purchasing.

FORBES: The Future Of E-Commerce: Bridging The Online/Offline Gap

As the use of mobile continues to drive technology adoption, multi-channel retailers expect even more opportunities to connect with consumers for pre-shopping, in-store and online purchasing activities.

FORBES: What Online Retailers Must Do To Succeed In 2012

As I wrote last June, its value chain let Dell set its costs 14% below those of competitors like Compaq (that HP bought in 2002) while charging companies a 13% higher price because of the convenience its online purchasing process gave companies who could order PCs configured for their specific requirements.

FORBES: As Corporate IT & iPad Demand Rise, Dell's Up, HP's Down