The most obvious example is that surplus energy created by the pod can be used to charge the car.

最明显的例子是由豆荚产生的能量可以给电车充电。

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Surplus electricity can even be used to charge a mobile phone.

而多出的电力甚至能用来给移动电话充电。

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One possibility is that they fail to count the huge consumer surplus given away free of charge on the internet.

原因可能是互联网低廉甚至免费的服务导致了严重的消费者过剩，这部分并未计算在内。

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The council said any surplus revenue raised from the charge would be used to help pay for other transport projects in the borough.

BBC: West End parking fee for bikers

According to council documents, Devon's overall "on-street parking account" is running at a surplus, but the collection of Penalty Charge Notices (PCNs) is making a loss and has been for the last five years.

BBC: Report finds Devon councils lose ?800,000 on parking fines

The new interim chief executive of the NHS, Sir Ian Carruthers, who is replacing Sir Nigel Crisp, is currently in charge of two health authorities - one predicting a deficit and one a surplus.

BBC: NEWS | UK | NHS '?750m in the red' this year