但是第三季度，福特的销售业务出现了重大转机。
包括IPCC委员会在内的科学家有时候也在含糊其辞，他们一直在寻找气候灾难的罪魁祸首，希冀有重大转机。
Scientists, including some of those at the IPCC, have sometimes played along with this, looking for harbingers of catastrophe to act as goads to change.
联邦航空管理局认为，商用无人机将在2017年出现重大转机，届时，它将会被应用到诸如搜索输电线、为保险公司检查屋顶等各个方面。
The FAA believes that 2017 will be the big turning point in drone adoption by businesses, which use them for everything from scanning power lines to inspecting rooftops for insurance companies.
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