Humanities (technical language) ; Science (technical language) ; Academic discourse; Scientific communication ; Frequency (pragm.) ; Discourse marker ; Ethnopragmatik; Ethnopragmatics; Culture-specific communication ; Classroom communication; Instructional communication ; German ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English