1945年，日本甚至没能进口一桶石油。

Japan did not import a single barrel of oil in 1945.

youdao

一桶石油要多少钱?。

How much does a barrel of oil cost?

youdao

他们在期货市场上购买的每一桶石油他们又会在合约结束之前再卖回来。

Every barrel they buy in the futures markets they sell back again before the contract ends.

youdao

We've just hit $100 barrel price of oil, but what does that mean?

石油价格已经到了100美元一桶,这意味着什么呢

耶鲁公开课 - 金融市场课程节选