They point out that the finding was based on one air measurement taken in an industrial town that is not even in Pittsburgh.

VOA: special.2009.07.13

Each individual reaches a decision--each individual has an income point and decides how much to consume based on the budget constraint.

在预算限制内,每个人都要决定将收入的多少,用于消费

耶鲁公开课 - 金融市场课程节选

Insurance companies would no longer be allowed to deny health coverage based on pre-existing medical conditions a key point of weakness in and public anger with the current system.

VOA: standard.2009.07.21