In just two years, solar panels have gone up in price by over 50%, says Chris Bunas of SolarCraft, another Californian installer. That is because of a shortage of silicon, the key ingredient.

来自SolarCraft的另外一位加州太阳能安装师chris Bunas称，在过去区区两年时间内，太阳能板的价格上行超过50%，因为最关键的成分，硅缺货。

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I felt that the test module could have gone on for the full two years and kept its atmosphere right.

我觉得这个测试模块完全可以持续两年的时间，而且大气还不出什么问题。

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House prices have also gone through the roof: Chetan Ahya of Morgan Stanley reckons that prices in big cities have more than doubled in the past two years.

房价也涨上了天：摩根·斯坦利的Chetan Ahya估计在过去的两年中，大城市的房价上涨了超过一倍。

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So far two years have gone by while the government has obstructed disclosure and publication.

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Cathel Macaskill, of Scotland Transerv, said two years of planning have gone into preparing for disruption expected during the works.

BBC: Kessock Bridge disruption plans to be explained

Number one, for the first time in 50 years we have had two years in a row where health care costs have only gone up 4 percent -- first time in 50 years.

WHITEHOUSE: The White House