Ключевые слова: advice, apprenticeship, background, business, career, coaching, competency, concept, conceptual, consulting, develop, development, education, educator, employee, employment, experience, expert, expertise, hand, help, hire, idea, improve, improvement, instructing, instructions, internship, job, knowledge, learning, management, manager, mentoring, paper, personal, practical, practice, professional, school, skill, student, teacher, teaching, text, trainee, trainer, training, word, work,