translation.en: So if you combine the intuition in this figure with some of the data that I talked about before, it suggests that somewhere between 25 percent and 50 percent of the decline in prevalence in Uganda actually would have happened even without any education campaign.
translation.zh: 将你的直觉和 我之前讲的一些数据联系起来 则发现大约有百分之25到50的 在乌干达的传播减少比率 是在没有任何教育运动的情况下也会发生的