There are many different type of medium of exchanges in our day to day life. In modern economies, the most commonly used medium of exchange is currency.
在我们的日常生活中有许多不同类型的交换媒介。在现代经济中，最常用的交换媒介是货币。
There are many different type of medium of exchanges in our day to day life. In modern economies, the most commonly used medium of exchange is currency.
在我们的日常生活中有许多不同类型的交换媒介。在现代经济中，最常用的交换媒介是货币。