Ключевые слова: adolescence, books, campus, class, classmates, classroom, college, community, cooperation, course, discuss, discussion, diverse, education, educational, enjoyment, five, friends, friendship, group, guy, high school, horizontal, indoors, instructor, international, internet, laptop, learning, lecture, lesson, library, lifestyles, listening, meeting, mixed, multiethnic, notebook, occupation, online, project, sharing, student, studying, teamwork, teenager, togetherness, university, young adult,