And the absolute transparency of the outer cover is for effective collecting of the solar energy as all the power generation is based on alternative energy sources.
由于所有电力都来自替代能源，所以绝对透明的外罩被用来有效收集太阳能。
Alternative forms of electricity generation-or some kind of efficient energy storage, such as better batteries-would be necessary for those times when the sun is not shining.
其他形式的发电或某种形式的有效的能源储存，如更好的电池，有必要的时候没有太阳照耀。
Alternative forms of electricity generation-or some kind of efficient energy storage, such as better batteries-would be necessary for those times when the sun is not shining.
其他形式的发电或某种形式的有效的能源储存，如更好的电池，有必要的时候没有太阳照耀。
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