Title: Shang mao wen mi xie zuo quan shu
Description: Ben shu bao gua wai mao qi ye guan li wen shu, wai mao shi chang fen xi yu yu ce wen shu, wai mao han dian wen shu, wai mao he tong yu xu ke zheng mao yi xie yi deng nei rong.
Subjects: Business writing