Ключевые слова: alteration, are, black, blackboard, business, businessman, businessperson, chalkboard, challenge, chance, change, cloud, concept, entrepreneur, forewarning, future, hand, idea, manager, message, modification, office, opportunities, opportunity, paper, people, person, plan, plane, preparation, prepare, prepared, preparing, prospect, question, quote, ready, set, slogan, suit, text, throw, transform, transformation, warn, warning, willing, wisdom, word, you,