把阳光产生的电力存储在电池中价格高昂而且效率低下。
Storing solar-made electricity in batteries can be expensive and inefficient.
而现在，廉价风能和压缩空气存储相结合，可以创造出电力市场上一支强大的生力军。
And now, combining cheap wind energy and compressed-air storage could create a potent new force in the electricity markets.
相反，它的发明者希望这将为电力电网提供急需的存储容量。
Instead, its inventors hope it will provide much-needed storage capacity for electricity grids.
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