Ключевые слова: abstract, background, border, business, businessman, change, choice, collaboration, communication, concept, database, emigration, europe, global, government, human, illegal, immigrant, immigrants, immigration, information, integration, international, job, law, legal, man, market, message, migrant, migration, network, opportunity, orange, permission, permit, policy, refugee, refugees, social, solution, success, system, team, technology, text, word, work,