They are also one of the most economical directmailmarketing pieces to produce.
它们也是最经济的直接邮件营销出版物之一。
2
A mail merge, such as a directmailmarketing campaign, where the stylesheet merges names and addresses from a customer file with a letter template.
邮件合并，譬如在直邮市场营销的活动中，人们用样式表将客户文件中的姓名和地址与信件模板合并起来。
3
These resources are helpful in conveying basic business principles and examples as well as providing general advice in areas such as writing a business plan or marketing by directmail.