| 释义 |
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In their model, the radius is the distance from the center of the animal to its skin. - 2
Smith counters that if you factor in the hidden cost of government corn subsidies, environment degradation, and decreased human health and animal welfare, grass-fed is the more cost-effective model. 史密斯反驳说，如果你把政府谷物补贴的隐藏成本、环境恶化以及人类健康和动物保护的减少考虑在内，那么草饲模式更具成本效益。 - 3
The University of Tennessee's Walters Life Sciences building, is a model animal facility, spotlessly clean, careful in obtaining prior approval for experiments from an animal care committee. 田纳西大学的沃尔特斯生命科学大楼，一尘不染，是一座典型的动物实验楼，在获得动物委员会对实验的事先批准方面十分谨慎。
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