国产91青青成人a在线/在线视频成人/aaa成人永久在线观看视频/深夜草莓视频app

本書為商務英語專業系列教材聽力教程第4冊。全書共15個單元，包括Starting a business，Research & Development，Advertisement & Marketing，Customer Service，Risk Control，Recruitment ，Staff Training & Development，Ethical Management，Corporate Image，Corporate Social Responsibility，Outsourcing & Offshoring ，Merger & Acquisition ，Intercultural Difference，Intellectual Property Rights，Global Economic Prospects。