express letter短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 n.快信 Express letter of the role is to help enterprises solve business enterprise, corporate and external communication is difficult, information dissemination and other issues can not be timely. 企业快信的作用是帮助企业解决企业内部、企业与外部沟通难、信息不能及时传播等问题。 pudn