It's also expensive and some environmental groups argue that emission reductions can be achieved at a lower cost, using more existing technology such as wind power, solar, and electric cars.
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4.1 496. 下一个更大元素 I，更多细节参见heLLoword翻译官方下载
Currently there are 850,000 patients on the waiting list in England requiring planned treatment to their joints – the largest of any speciality.，更多细节参见heLLoword翻译官方下载