The four main components of promotion are direct marketing, advertising, sales and PR.

推广的四个主要组成部分分别是直接营销，广告，销售和推广。

youdao

Most of its money comes from direct marketing (that is, junk mail) and sales of things as varied as wine, vitamins and books.

其大部分的收入来自直销市场（即垃圾邮件）以及诸如红酒、维生素片和书籍等五花八门的商品销售。

youdao

I am in Sales and I make a lot of cold calls and walk into new businesses everyday to introduce Direct Marketing products.

我是做销售的，每天都会打很多陌生电话和拜访客户来推销公司的产品，我通过每天去拜访新客户让我养成了远离我的舒适区域的习惯。

youdao

And by combining their marketing prowess with direct-sales operations and independent financial advisers, they have tried to prise some customers away from the banks altogether.

ECONOMIST: Local restrictions permitting

Salesforce.com has a large direct sales force and a direct marketing model.

FORBES: Ben Horowitz Needs An 8-year-old

Only 3% of business-to-business Web sites are designed for direct sales, rather than for marketing and customer service, says Forrester Research, a Massachusetts consultancy.

ECONOMIST: Electronic commerce