Fails to establish the causal relationship between the decrease of Arctic deer and the recent global warming trends.
Fails to establish the causal relationship between the decrease of Arctic deer and the recent global warming trends.
调查没有客观性；仅仅根据猎人的报告。很可能因为害怕被猎杀北极鹿都躲了起来，因而猎人得出错误的结论。