介绍:
20170331
What is money?
什么是货币?
Well, typically, people think of coins and paper bills as money.
通常情况下人们会想到硬币，以及纸币。
But that is using a somewhat narrow definition of the term.
但是，这里用的是货币的狭义定义。
A broad definition is this: money is anything that people can use to make purchases with.
广义上的定义是：货币是任何人们可以用来购买其他物品的物品。
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