Some environmentalists worry that having struggled for years to protect forests from overexploitation, demand for biofuels could undermine their efforts.
一些环境学家担忧他们曾为保护森林与过度砍伐力争了多年之后，对生物燃料的需求又将使这些努力付之东流。
Some environmentalists worry that having struggled for years to protect forests from overexploitation, demand for biofuels could undermine their efforts.
一些环境学家担忧他们曾为保护森林与过度砍伐力争了多年之后，对生物燃料的需求又将使这些努力付之东流。
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