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Internet or other Electronic Bulletin Board System, Which?
互联网或其他电子公告板，哪一个？
youdao
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Some people call bulletin board systems electronic mail systems.
有些人称公告栏系统为电子邮件系统。
youdao
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Some people call bulletin board systems electronic mail systems.
有些人称公告栏系统为电子邮件系统。
youdao