Many textbooks, particularly those in economics, contain appendixes that provide specific information on reading and working with graphic material.
许多教科书都有附录，尤其是经济学教科书。这些附录提供了阅读和使用图形材料的具体信息。
2
According to the economics pattern, too fast circulation of currency may bring down the value of the money, especially when it is spent without any material production.
根据经济格局，货币流通过快可以降低货币的价值，特别是当它没有产生任何的物质时。
3
According to Transactional costs Theory of New Institutional Economics, the efficiency of institutions lies in its material costs and Transactional costs when its scale is stable.