据估计，这些网站平均每个有大约280个误植域名。
They estimate that each of the 3264 top sites is targeted by around 280 typo domains.
问题的聚焦点是一个名为“误植域名”的网络蟑螂形式，即通过注册拼错的流行网站域名获利。
The claim centres on a controversial scheme known as " typosquatting", the practice of registering a misspelled variant of a popular web domain.
Moore和Edelman表示，他们通过分析发现一些人持有数千个不同类型的误植域名。
Moore and Edelman say their analysis found that some website owners operate thousands of different typo domains.
误植域名误导消费者，并可能给受害网站带来不必要的损失，Moore和Edelman说到。
Typo domains confuse consumers and can generate unnecessary costs for the owners of the targeted web domain, say Moore and Edelman.
一些公司被迫到误植网站上发布广告，而自己的网站却正是它们的受害者，可如果不这么做，他们觉得自己会把业务拱手让给竞争对手。
Companies can feel compelled to advertise on typo domains targeting their own websites because they fear they might lose business to competitors if they do not.
Moore和Edelman通过Alexa.com网站排名确定了3246个最常使用的.com网站，利用最常见的拼写错误，他们确定了一份可能的误植域名名单。
Moore and Edelman started by using common spelling mistakes to create a list of possible typo domains for the 3264 most popular .com websites, as determined by Alexa.com rankings.
Moore和Edelman通过Alexa.com网站排名确定了3246个最常使用的.com网站，利用最常见的拼写错误，他们确定了一份可能的误植域名名单。
Moore and Edelman started by using common spelling mistakes to create a list of possible typo domains for the 3264 most popular .com websites, as determined by Alexa.com rankings.
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