Title: Wai mao Ying wen shu xin yu hui
Description: Ben shu li zu yu wei shu xie ying wen wai mao ye wu shu xin ti gong fang bian, hui ji le 2600 yu tiao you guan chang yong yu hui, bao gua dan ci, ci zu, duan yu he duan ju, an ye wu huan jie fen lei pai lie.
Subjects: English language, Business English, Letter writing