Ключевые слова: adult, background, begin, beginning, brain, business, career, coach, competencies, concept, course, development, document, education, expertise, fresh, further, hand, instructions, internet, job, knowledge, learn, lesson, mind, motivation, occupation, occupational, office, person, practical, professional, promotion, school, skill, solution, start, strategy, study, success, teaching, technology, text, training, uni, university, work,