Ключевые слова: ask, assistance, background, business, colour, concept, conceptual, confusion, cover, decision, demand, desk, doubt, face, heap, help, horizontal, ignorance, interrogation, job, learn, manager, mark, nobody, occupation, paper, point, problem, punctuation, question, questionnaire, shape, sign, solution, space, stress, symbol, table, thinking, uncertainty, white, wood, work, wrong,