Ключевые слова: background, book, bookmarks, books, business, businesswoman, case, closeup, colorful, education, employee, female, group, hand, hands, hardcover, heap, hold, holds, job, knowledge, learn, light, literature, note, notebook, notebooks, notepad, office, paper, person, read, school, stack, stationery, stock, student, study, studying, textbook, university, white, woman, work, young,