名词短语
中文翻译：直接邮寄营销
同义词：
['mail order', 'direct sales', 'telemarketing例句：1. Direct marketing by mail is a cost-effective way to reach customers.（通过邮件进行的直接营销是一种成本效益高的方式来接触客户。）']
例句：
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1. Direct marketing by mail is a cost-effective way to reach customers.
通过邮件进行的直接营销是一种成本效益高的方式来接触客户。
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2. The company uses direct marketing by mail to promote its products.
该公司使用直接邮寄营销来推广其产品。
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3. Direct marketing by mail has become increasingly popular in recent years.
近年来，直接邮寄营销越来越受欢迎。