Often, a sales letter will be sent under the guise of an introduction to your firm, or to new or revamped products.

销售信函常以公司介绍、新产品介绍或革新产品介绍的形式发出。

youdao

Often, a sales letter will be sent under the guise of an introduction to your firm, or to new or revamped products.

销售信函常以公司介绍、新产品介绍或革新产品介绍的形式发出。

youdao