| 释义 |
double opt-in
noun[ C or U ]
E-COMMERCE, MARKETINGukus
a process for proving that you want your name added to an email list in which you reply to an email message giving permission to be added:
The double opt-in method may produce smaller lists, but it still brings in higher sales compared to a larger list built by single opt-ins.
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single opt-in
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