Ключевые слова: 20, 80, analysis, background, business, closeup, colorful, compare, concept, design, desk, economy, education, effect, efficiency, effort, eighty, few, finance, financial, handwritten, illustration, law, management, message, metaphor, note, notepad, office, paper, pareto, percent, percentage, pie, principle, productivity, profit, result, rule, sign, strategy, success, table, text, theory, time, twenty, vital, wood, wooden,