在总的热量支出中，平均只有7 8%的热量可以用于表碛下部的增温和向深层传导。
Of the total heat income, only 7.8% is used for temperature increase of the deeper part of the debris cover and conduction downwards.
总而言之，技术给了我们过高的热量，又减少了能量支出。
In sum, technology has given us this surfeit of calories and dearth of energy expenditure.
饮食支出过多：高热量食物不仅更贵，而且也不利健康，口味也不佳。
Paying too much for food: Highly processed prepared foods are not just more expensive, they're less healthy and less tasty.
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