The data they present suggest that the animals portrayed in the cave paintings were mostly the ones that the painters preferred for meat and for materials such as hides.
他们提供的数据表明，洞穴壁画中描绘的动物大多受到画家们偏爱，它们是肉类和兽皮等材料的来源。
While there’s no data on vegan diets, one study found that vegetarian diets used 2.9 times less water and 2.5 times less energy in food production than a diet containing meat and poultry.
尽管绝对的素食主义者的饮食没有数据参考，但是一项研究发现素食主义者的饮食与食肉者得饮食相比，饮水减少2.9倍，食物产能少2.5倍。
Other official data suggest Mexicans eat about twice as much meat as they did in 1990, and visit the cinema four times as often, while retail square-footage has more than tripled since 1993.
其他官方数据表明，墨西哥人的吃肉量大约是1990年的两倍。去电影院的频度是那时的四倍，同时零售业商场的面积自1993年以来规模扩大了3倍多。
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