此协议--中文 对收发邮件程序的编写 有着重要的指导作用 见网上此协议下载困难 在这里发布给大家 -this agreement -- Chinese e-mail procedures for the preparation plays an important role in guiding see this as an online download difficulties Published here for everyone

指导如何发邮件更加合适，更加专业，让邮件增强沟通的效果-to guide sending email nicely