direct mail

1. N-UNCOUNT Direct mail is a method of marketing which involves companies sending advertising material directly to people who they think may be interested in their products. 广告直邮 (指给潜在的顾客直接邮寄广告资料)[商业]

...efforts to solicit new customers by direct mail and television advertising. …通过广告直邮和电视广告争取新客户的努力。