The concept of GNP is useless without a standard of value such as the dollar.
The concept of GNP is useless without a standard of value such as the dollar.
如果没有像美元之类的价值标准，那么国民生产总值这类概念就毫无用处。
The concept of GNP is useless without a standard of value such as the dollar.
如果没有像美元之类的价值标准，那么国民生产总值这类概念就毫无用处。