Ключевые слова: america, american, background, blue, business, china, chinese, collaboration, combination, combined, concept, conference, couple, crossed, double, economy, flag, flags, foreignlanguages, friendship, government, illustration, independence, international, isolated, isolation, languagelearning, map, national, pair, patriotic, pole, politics, red, relationship, small, states, symbol, touroperator, travel, two, united, unitedstates, us, usa, versus, vs, waving, white,