联合包裹估算，这套系统为每个航班节约了250到465英磅燃料，约合110到210千克。
UPS estimates that the system has helped save its planes 250 to 465 lb. (110 to 210 kg) of fuel per flight.
联合国粮农组织估算，到2050年粮食产量必须再增加一半，而肉类的产量则不得不翻番。
The UN’s Food and Agriculture Organisation (FAO) reckons grain output will have to rise by around half but meat output will have to double by 2050.
据国家零售业联合会估算，有2.12亿人在感恩节假期的周末光临商店，比2009年多出9%，人均消费额从343美元升至365美元。
The National Retail Federation estimated that 212m people hit the shops over the Thanksgiving holiday weekend, 9% more than in 2009, while the average amount spent by each rose from $343 to $365.
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