For example, for the typical e-commerce site there are four (at least) basic use cases.

例如，对于典型的电子商务站点，有四个(至少)基本用例。

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Old MacDonald has a farm.E-i-e-i-o.On his farm he has four pigs,E-i-e-i-o.

老麦克唐纳有一农场电子i e io.在他的农场有四头猪，i - e - i - o.

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This simple activity illustrates the four major players in e-Commerce security.

这个最简单的活动说明了e - Commerce安全中最主要的4个参与者。

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With telephone and mobile Numbers, you usually say each number individually, e. g. One-three-five-two-zero-five-three-seven-two-four.

对于电话和手机号码，你通常可以依次说出每位数字，如。

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With telephone and mobile Numbers, you usually say each number individually, e. g. One-three-five-two-zero-five-three-seven-two-four.

对于电话和手机号码，你通常可以依次说出每位数字，如。

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