The chart illustrates the percentage of electricity generated by fuel type in the UK in 2014.

这个图表阐释了2014年英国产生的电力的百分比，按燃料类型分类。

But the fuel, type of hydrogen gas, sits in that doughnut shape.

但是燃料，一种氢气，呈甜甜圈形状。

Right now, the current model does not account for different fuel types and other variables, but Mark's team is changing that.

目前，当前的模型没有考虑不同的燃料类型和其他变量，但马克的团队正在改变这一点。

And as you can see, this pie chart depicts the energy generation by fuel type in the UK in the year 2014.

如你所见，这个饼状图描述了2014年英国的能量产出，按燃料类型划分。

A ship owner will be hesitantbecause she doesn't know which fuel type to bet onor if the customers will pay.

船东会犹豫，因为她不知道该押注哪种燃料类型，也不知道客户是否愿意付款。