bulk mail
US /ˈbʌlk meɪl/
UK /ˈbʌlk meɪl/
1.
大宗邮件, 批量邮件
mail sent in large quantities, especially at a reduced rate
:
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The company uses bulk mail to send out its monthly newsletters.
该公司使用大宗邮件发送其每月通讯。
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Sending bulk mail can be a cost-effective way to reach many customers.
发送大宗邮件是接触大量客户的一种经济有效的方式。