Unit One Introducing Products（1） 1
Section 1 Speaking 1
Section 2 Listening 13
Section 3 Writing 17
Unit Two Introducing Products（2） 22
Section 1 Speaking 22
Section 2 Listening 30
Section 3 Writing 34
Unit Three Introducing Products（3） 38
Section 1 Speaking 38
Section 2 Listening 45
Section 3 Writing 49
Unit Four Negotiations and Agreements 52
Section 1 Speaking 52
Section 2 Listening 63
Section 3 Writing 67
Unit Five Cooperation 76
Section 1 Speaking 76
Section 2 Listening 83
Section 3 Writing 88
Unit Six Contraet 92
Section 1 Speaking 92
Section 2 Listening 100
Section 3 Writing 103
Unit Seven Conference（1） 108
Section 1 Speaking 108
Section 2 Listening 117
Section 3 Writing 121
Unit Eight Conference（2） 127
Section 1 Speaking 127
Section 2 Listening 140
Section 3 Writing 144