Development of domestic energy resources is deemed critical in oil-importing countries, notably renewable resources, such as hydro, wind and solar power.

开发国内能源资源，尤其是水电、风电和太阳能等可再生能源资源，被认为是石油进口国的关键。

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The utilization of methane, solar energy, wind power and hydroelectric power can reduce the overpressure of natural resources to communities caused by tourist development.

沼气、太阳能、风力和水力发电的利用可减少旅游开发可能给社区带来的对自然资源的过度压力。

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The introduction of bio-gas, solar energy, wind power and hydropower to communities helps relieve the potential excessive pressure intrigued on natural resources by tourism development.

沼气、太阳能、风力和水力发电的利用可减少旅游开发可能给社区带来的对自然资源的过度压力。

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Saddled with out-of-date factories, over-reliance on the North American market and unfashionable trucks, a poor reputation for quality, a dearth of new models in the pipeline and insufficient resources to fund future power-train development, Chrysler is too weak and too small to survive on its own.

ECONOMIST: America's car industry