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世界经济快速发展带来的石油需求增大及石油安全这两方面因素是造成当前油价居高不下的主要原因,今年国际油价仍将保持较高水平。
The two major factors contributing to the current high oil prices are the rising oil demand and the oil security brought about by the rapid economic development in the world. The international oil prices will remain at a high level this year.