But the price of photovoltaic solar panels has fallen too fast for comfort: down by about a fifth this year, and nearly two-thirds since 2008.
但光伏太阳能面板的价格下跌得也太快了，让人有些不安：今年以来已下跌约五分之一，若从2008年开始算已下跌近三分之二。
But the price of photovoltaic solar panels has fallen too fast for comfort: down by about a fifth this year, and nearly two-thirds since 2008.
但光伏太阳能面板的价格下跌得也太快了，让人有些不安：今年以来已下跌约五分之一，若从2008年开始算已下跌近三分之二。
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