In their second episode, Gav & Em talk about different types of lessons. Follow two experienced English teachers as they discuss general, business, exam and ESP English, covering both the teacher's approach and the learner's expectations. References:
English File, Oxford.
New Market Leader, 3rd edition, Upper-intermediate, Unit 8, Pearson.
In Company, Macmillan.
Wikipedia: https://en.wikipedia.org/wiki/Main_Page