Oil prices and changes in monetary exchange rates were two areas the group described in its latest report.

油价和货币汇率变动是这份最新报告关注的两个问题。

Economists want to turn everything into a monetary exchange, even time use data, so that they can carry on trying to decide whether GDP is up or down.

经济学家想把一切都变成货币交换， 甚至时间都使用数据，这样他们就可以继续尝试决定 GDP 是上升还是下降。