In the end the Volga's waters will run dry.最终, 伏尔加河的水会干涸。

To harvest oil and gas profitably from the North Sea, it must focus on the exploitation of small reserves as the big wells run dry.随着大型油井的枯竭, 要想从北海的石油和天然气开采中赢利, 必须着力于开采小储量的油井。