研究表明，吃肉较多的人可以通过转向纯素饮食将食物相关的生态足迹减少三分之一或更多。
Studies have shown that people who eat a meat-heavy diet can reduce their food-related footprint by one third or more by moving to a vegan diet.
许多不同的对象都采用这些语法，尽管从纯面向对象的观点来看这些语法跟对象毫不相关。
Many different objects employ these semantics, yet they have nothing to do with the object itself from a purely object-oriented view.
孩子花的时间等量情况下，近视和所做的“纯工作”量是没有相关性的。
Among children who spend the same amount of time outside, the amount of near work has no correlation with nearsightedness.
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