The drivers say locals are over-charging them for food and drink.

司机抱怨当地人高价出售水和食物。

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The drivers have complained that locals were over-charging them for food and drink while they were stuck.

司机抱怨当地人在他们被困住时高价出售食物和水。

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However, it may come into being serious problems if the batteries get improper management during the operation, such as over-charging, over-discharging, imbalance of voltage among the cells.

然而，如果在运行中不能很好的管理，电池会产生如过充、过放和电压不平衡等很严重的问题。

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Those concerns are growing amid mounting accusations that the banks and brokerages which handle their securities transactions have been over-charging corporations and public entities for various services, including securities lending and foreign exchange conversions.

FORBES: N.C. Treasurer Buried $771 Million Securities Lending Loss

As a further reminder, which could almost have been choreographed by Judge Jackson, two private class-action antitrust suits were filed against Microsoft this week, citing the judge's findings as evidence of illegal over-charging for Windows.

ECONOMIST: The Microsoft case

But people like Senator Edward Kennedy, a prominent Democratic war critic, argue that " Iraqis can do things themselves for a good deal less cost which would save the (US) taxpayers their resources" and says that these companies have a history of over-charging.

BBC: NEWS | Business | Washington's reconstruction battle