Ключевые слова: academy, adult, american, black, business, businessman, businesspeople, businesswoman, caucasian, class, classroom, colleague, college, colors, course, coworker, education, group, happy, indoors, knowledge, learn, learning, lesson, lifestyle, management, marketing, meeting, men, multicultural, multiethnic, notebooks, office, people, positive, school, seminar, smile, students, study, studying, teach, teacher, team, teamwork, training, university, women, working, young,