今天你不能开通一个web邮箱或建设社会网络型网站而期待病毒营销成功。
You cannot launch a web mail or social networking site today and expect viral adoption.
总的来说，邮箱是为网站带来销量的极其有效的方法。
Overall, email is most successful way to drive sales on a site.
总的来说，邮箱是为网站带来销量的极其有效的方法。
Overall, email is most successful way to drive sales on a site.
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