Ключевые слова: advice, aid, analysis, analyze, assist, associate, background, ballpen, ballpoint pen, blue, business, businessman, collaborate, communicate, communication, component, composition, concept, connect, contribute, cooperate, education, element, harmonize, help, join, management, meaning, meeting, office, partake, people, person, point, presentation, professional, relationship, share, show, strategy, succor, support, teacher, teaching, teamwork, text, together, trust, word, work, write,