比如Cambridge断电的6小时，还有我们灾难性的在办公室里使用汽油发电机的尝试，不过我可不想再经历一次。
Like the time the power went off in Cambridge for about six hours, and we made the mistake of trying to start a gasoline powered generator inside our offices. I won't try that again.
因此，当我们为自己的小汽车买几加仑汽油的时候，我们所付的不只是汽油本身的费用，而且还有不断进行找油工作的一部分费用。
When we buy a few gallons of petrol for our cars, we pay not only the cost of the petrol, but also part of the cost of the search that is always going on.
我们上个月房贷花了700美元，食品花了400美元，水、电、煤气和垃圾处理等费用是75美元，汽油费250美元，书本费100美元，还有300美元的娱乐费。
We spent 700 dollars for our home loan payment, 400 on groceries, 75 on utilities, 250 on gasoline, 100 on books and 300 on entertainment last month.
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