Refrigerators are costly and they need electricity.

电冰箱是十分昂贵的而且也需要电。

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But for many of the world's poor, finding a good way to keep food cool is difficult. Refrigerators are costly and they need electricity.

而对于世界上的许多穷人来说，寻找冷藏食物的办法很难，冰箱成本高，需要耗电。

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When couples separate, they need more rooms, more electricity and more water, which increases their greenhouse gas emissions, he said.

他说，夫妇离异后，需要更多房间，消耗更多电和水，这会加大温室气体排放。

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Refrigerators are costly and they need electricity.

VOA: special.2009.02.09

Natonski's conversations with the Shiites here, the townspeople said they need food, water and electricity.

CNN: Franken

"It is essential for government to provide investors with the long-term confidence they need to transform our electricity market and make investments capable of driving wider economic growth, " says the letter.

BBC: Carbon emissions target urged by business leaders

They would need to provide occupants with access to toilets, water and electricity, although rent would be charged.

BBC: Coventry & Warwickshire