bulk mail
US /ˈbʌlk meɪl/
UK /ˈbʌlk meɪl/
1.
大宗郵件, 批量郵件
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.
該公司使用大宗郵件發送其每月通訊。
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Sending bulk mail can be a cost-effective way to reach many customers.
發送大宗郵件是接觸大量客戶的一種經濟有效的方式。