Ключевые слова: against, analysis, analyze, answer, background, bad, balance, benefits, better, billboard, black, blackboard, board, business, chalk, chalkboard, chart, choice, class, classroom, column, columns, comparison, con, concept, cons, contra, copy, count, data, decision, different, education, empty, evaluate, finance, fingers, frame, future, good, graph, green, handwriting, horizontal, idea, ideas, imbalance, indecision, inspiration, justice, line, list, measure, message, metaphor, motivation, negative, note, noticeboard, office, ponder, positive, pro, problems, profit, pros, research, scale, school, sketch, solution, solutions, space, statistics, stats, strategy, success, survey, table, text, thinking, unequal, unfair, weigh, white, words, worse, worth, write, written, yes,