帮助翻译下这段话。要最正规的翻译

Abstract: China's Passenger Cars from the 1980s began to go abroad, now formed a Yutong Bus, represented by a group in its international competitiveness of the bus production enterprises. This effectively enhance the competitiveness of China's auto exports has played a great role. This paper analyses the Yutong Bus exports and a unique history of the export model, with the actual use of SWOT analysis of the situation in the external environment for enterprises in the strengths, weaknesses, opportunities and threats through analysis of the Yutong Bus export models and use SWOT analysis Bus its export competitiveness of enterprises reveals the strengths, weaknesses, opportunities and threats, and threats against these disadvantages and from the brand, research and development, personnel, information, such as after-sales area to increase the export competitiveness of the Yutong Bus countermeasures proposed.