New technology to capture gas from coalfields has recently boosted supplies, which could help keep prices down.

从油田中攫取天然气的新技术也在最近帮助提升了供应量，从而有助于保持价格低位。

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Returnable bottles help keep prices down so the company can reach more of what it calls "economically diverse" customers.

可退的瓶子使价格保持在低水平，公司能抓住更多的所谓的节约的各式各样的顾客。

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They have dumped their produce on to local markets, and in Kunming that is helping to keep prices down-though not elsewhere.

他们将自家产品在当地市场倾销，在昆明，粮食价格倒处在低位了——然而其他地方就没有那么好运了。

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New technology to capture gas from coalfields has recently boosted supplies, which could help keep prices down.

ECONOMIST: Britain's energy crisis

Producing our own energy, Mr Davey said, would help to keep prices down.

BBC: Energy bill to boost cleaner energy production

Single-payer takes a different approach to cost-savings, using the leverage of a single insurer (the state) to keep prices down.

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