People pay for text messages, even though E-mail is free.
即使电子邮件是免费的，人们还是会付费发短信。
“You cannot use it for writing, or even computing, ” DeMarco wrote in an e-mail to Wired.com.
“你不能在上面写作，或者做计算，”德马科说。
For a long time, for instance, AOL and CompuServe would not even exchange e-mails.
比如，AOL和CompuServe有很长的时间根本都不能互相交换电邮。
For a long time, for instance, AOL and CompuServe would not even exchange e-mails.
比如，AOL和CompuServe有很长的时间根本都不能互相交换电邮。
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