If petroleumdemand returns to trend, this could contribute to higher prices in 2010.
如果石油需求重回升势，到2010年可能导致更高的价格。
2
Continuing unrest around the Middle East threatens to disrupt oil supplies even as global recovery boosts petroleumdemand.
如今全球经济复苏，石油需求猛增，但是恰逢此时中东不断动乱，石油供应受到威胁。
3
The Energy Department said this week that petroleumdemand has grown for four straight weeks, resulting in unexpected drops in the nation's oil and gasoline supplies last week.