Ключевые слова: ability, alphabet, background, best, best seller, business, business skills, career, communication, competence, concept, corporate, corporation, develop, development, education, effective, experience, expert, finance, green, horizontal, improvement, job, keyboard, knowledge, learn, letters, magnifier, management, paper, people, skill, skills, sticker, strategy, study, text, training, white, word, work, worthy,