There are three groups of English learners: beginners, intermediate learners, and learners of special English. Beginners need to learn the basics of English. Students who have reached an intermediate level benefit from learning general English skills. But what about students who want to learn specialist English for their work or professional life? Most students, who fit into this third group have a clear idea about what they want to learn. A bank clerk, for example, wants to use this specialist vocabulary and technical terms of finance. But for teachers, deciding how to teach specialist English is not always so easy. For a start, the variety is enormous. Every field from airline pilots to secretaries has its own vocabulary and technical terms.