Sharon的核心观点不是“失业率不高”而是“at any given time if a person knows approximately 50 workers, one or more will very likely be unemployed.”
我们将B取非: unemployment is normally concentrated in geographically isolated segments of the population。
则如果失业人群集中,换句话就是说非失业人也相对集中(因为如果非失业人平均分布,失业人就不会相对集中),就不是one or more will very likely be unemployed, 而是if a person knows approximately 50 workers, zero will very likely be unemployed作者: wendydou 时间: 2012-5-19 12:46
sharon 的argument 是在NORMAL CONDITION的基础上··作者: bluestone2012 时间: 2012-7-26 20:31 标题: 自己也很困惑这道题,试着这样理解 自己之前也很困惑这道题,后来试着这样理解
"a normal, moderate level of unemployment is 5 percent, with one out of 20 workers unemployed"与“at any given time if a person knows approximately 50 workers, one or more will very likely be unemployed”的关系不是这样理解的吧。