The cost of fuel has been rising.

燃料价格一直在上升。

The cost of fuel has been rising but it's unlikely that it'll go much higher.

燃料价格一直在上升，然而不太可能升得太高。

For example, when the man planned his trip to Hawaii, he did not take into account the cost of fuel.

例如，当一个男人计划他的夏威夷之旅，他不会考虑到燃料的费用。

The cost of fuel has gone up sharply in Great Britain over the last two years for two main reasons.

在过去的两年里，英国的燃料价格急剧上涨，主要有两个原因。

Airlines are raising fares to cover the rising costs of fuel.

【cover】航空公司打算提高票价来贴补燃油日益上涨的成本。

So if the cost of fuel goes up by 300 percent — what does that do to demand for air travel?

那么，如果燃油成本上涨 300%，这会对航空旅行的需求产生什么影响？

I think it's very hard for small farms to stay afloat in this period of time between the cost of fuel to run the tractors, the cost of grain belts.

我认为，在拖拉机的燃料成本和谷物带的成本之间，小农场很难在这段时间内维持运营。

Because as market analysis Flynn explains, the low cost of fuel makes the high cost of extracting oil from shale financially unfeasible, so there are fewer new wells being drilled in the US.

因为正如福里恩的市场分析，燃料的低价格使得从页岩开采石油的成本过高，这样美国打的新井越来越少。