If you move that poverty mark just up to two dollars a day, it turns out that virtually the same two billion people who were stuck in that harsh poverty when I was in high school, are still stuck there, 35 years later.
如果把贫困线稍稍上移， 设为一天2美金， 你就会发现世界上仍然有20亿人 生活在极度贫困的状态下， 我上高中时有这么多人， 35年后的今天依然是。