Ключевые слова: academic, background, card, career, celebrate, celebration, class, college, color, congratulations, copy, day, education, event, festive, green, happy, holiday, idea, inscription, international, job, knowledge, learn, light, nobody, object, occupation, paper, profession, school, science, sign, space, student, study, teacher, teaching, text, top, university, view, words, work, world, written,