Ключевые слова: abstract, american, business, challenge, china, chinese, commerce, competition, conflict, country, dark, economy, export, fast, finance, flag, future, global, government, growth, import, international, light, market, metaphor, modern, motion, nation, politic, political, power, rail, railway, rivalry, speed, symbol, technology, track, trade, train, transport, transportation, travel, tunnel, usa,