1

unit 1

• 1.1  Meetings

2

unit 2

• 2.1  job interveiw

3

unit 3

• 3.1  intriducing a manufacurer

4

unit 4

• 4.1  product description

5

unit 5

• 5.1  advertisement

6

unit 6

• 6.1  sales

7

新建目录