So one way to test to see whether we can explain some of this behavior change by differences in life expectancy is to look and see is there more behavior change in areas where there's less malaria.
所以检验的一种方法就是我们是否 能将平均寿命的差异与行为变革相联系 并看看在疟疾疫情较轻的的地区 是不是行为变革就越多。