And that means, if you do want renewables to make a substantial difference for a country like the United Kingdom on the scale of today's consumption, you need to be imagining renewable facilities that are country-sized, not the entire country but a fraction of the country, a substantial fraction.
那意味着如果你真的 想在类似英国的国家全面使用可再生能源， 在如今的耗能水平下 可再生能源作物或设备的占地就必须与全国面积相当 不是整个国土而是一部分 相当大的一部分。