最主要是，网络改变了人们的购买模式。

Most of all, the Internet has transformed buying patterns.

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例如，研究购买模式的算法可用于检测欺诈行为。

Algorithms that study buying patterns, for instance, are used to detect fraud.

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如今，你的企业可以轻松获得关于客户购买模式、自身供应链内商品动向等多年的数据。

Your company now can easily gain access to several years of data about your customer's buying patterns and the movement of goods through your supply chain.

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So it's really the upfront cost to move to this, in terms of classroom space and developing pedagogy, and buying us top experiments.

因此搬到这种教室,才是最主要的花费，其中包括教室空间设置,开发教学模式，购买高级实验设备等。

麻省理工公开课 - 媒体、教育、市场课程节选