直到最近，官方才出台了基于热量消耗千卡为单参数的贫困评估方法。
Until very recently, the official measure of poverty was based on a single parameter - consumption of kilocalories.
接受调查的马赛人每天消耗的热量比基本需求高出2500千卡，而接受调查的农民每天消耗的热量比基本需求高出的数量是1500千卡，城市居民则只有891千卡。
The Masai studied expended 2,500 kilocalories a day more than the basic requirement, compared with 1,500 kilocalories a day for the farmers and 891 kilocalories a day for the urbanites.
一般情况下，人体只能储存1500 - 2000千卡(6276 - 8368千焦)的热量，每10分钟的户外滑雪，就会消耗掉至少100千卡(418千焦)。
Under normal circumstances, the human body can only store 1500-2000 kcal (6276-8368 kJ) heat, every 10 minutes of outdoor skiing, will consume at least 100000 calories (418000 kJ).
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