Given this potential, why is it that so far, not a single commercial wave-power generator is in operation?
既然潜力如此巨大,那么为何迄今为止无任何一台商用海浪能发电机投入使用。
2
If tide, wind and wavepower are all developed, Britain would be able to close gas, coal and nuclear power plants and export renewable power to other parts of Europe.