Ключевые слова: back, background, bank, black, blackboard, blue, board, book, books, chalk, chalkboard, class, classroom, college, color, concept, copy, design, desk, education, finance, financial, goals, green, homework, image, important, knowledge, learning, nobody, office, pencil, personal, salary, saving, school, science, space, stationery, study, studying, supplies, table, teaching, university, white, wisdom, wooden,