dollar oil

例句：

1. 1. The price of oil has been increasing rapidly in recent years.
   近年来，油价迅速上涨。
2. 2. Oil is a crucial resource for the development of many countries.
   石油是许多国家发展的关键资源。
3. 3. The oil industry is heavily influenced by political and economic factors.
   石油工业受到政治和经济因素的影响很大。