与其他技术相比，这使得网络统计数据的编制更加复杂：一位Gmail的用户可以在同一网页收发几百封电子邮件。
Among other things, this makes the business of compiling web metrics more complex: a Gmail user can send and receive hundreds of email messages while staying on the same page.
与其他技术相比，这使得网络统计数据的编制更加复杂：一位Gmail的用户可以在同一网页收发几百封电子邮件。
Among other things, this makes the business of compiling web metrics more complex: a Gmail user can send and receive hundreds of email messages while staying on the same page.
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