The topicality of the research is determined by the following key factors: 1) the increasing interests in exploring the issues of discourse in general and professional discourse in particular; 2) the study of discourse has become an important aspect of cognitive linguistics investigations; 3) revealing linguistic specificity and complexity of business discourse has acquired both theoretical and practical significance for further study of the principles and mechanisms characterizing the development of various discursive systems; 4) despite the fact that linguistic aspects of business discourse have been well investigated, there is still a number of semantic and stylistic issues remain unexplored.