Currently, the average barrel of oil cost is about $100.

目前石油平均价约为每桶100美元。

He said the restaurant postponed raising prices for many years, hoping oil costs would fall.

他说，这家餐厅多年来一直推迟涨价，希望油价能下降。

And they seem - the price at the pump should reflect what the price of a barrel of oil costs.

他们似乎--加油站的价格应该反映出每桶石油的价格。

Considering that manufacturers are unauthorized to make medical claims, how can one CBD oil cost $50, while another of the same volume costs $390?

考虑到制造商无权提出医疗索赔，怎么可能一种 CBD 油售价 50 美元， 而另一种相同体积的油售价 390 美元？