unit 1 self-introduction unit 2 career planning unit 3 job interview unit 4 office management unit 5 business meeting unit 6 reservation unit 7 business dinner unit 8 business trip unit 9 receiving visitors unit 10 pany presentation unit 11 product promotion unit 12 fairs and exhibitions unit 13 aftersales service unit 14 establishing a business relationship unit 15 offer and counter-offer unit 16 negotiations 参 参书目
以下为对购买帮助不大的评价