大约40年来，随着产量增长和科技进步，太阳能电池板价格稳步下降。

FOR 40 years or so, the price of solar panels fell steadily, as volumes grew and technology improved.

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哈佛大学的戴尔·乔根森说科技比危机前的10年前进的更加缓慢了，生产力也是这样的，大约一年缓慢1.5%。

Dale Jorgenson of Harvard University says technology is advancing more slowly than in the decade before the crisis, so productivity will too, by about 1.5% a year.

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大约在世纪之交，如同宇航员一样，其中最典型的就是那些“公路勇士”。由于轻装上阵，他们看上去很潇洒，就像萨佛(Paulo Saffo，未来科技学家)所说，他们是过渡的一代人，他们的生活开始变得像寄居蟹。

Around the turn of the century, as some astronauts, typically executive road warriors, got smarter about packing light, says Mr Saffo, they graduated to an intermediate stage, becoming hermit crabs.

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