题目

阅读理解,高手快来帮忙翻译1
Individual Demand
We begin to understand how market forces work by looking more closely at the behavior of a single market participant. Let us start with Tom, a freshman at Clearview College. Tom is experiencing the problem of writing a paper for his English composition class. To make matters worse, Tom’s professor has insisted on typed papers and Tom cannot type with his fingers much better than he can write with his toes. Under the circumstances, Tom is desperate for a typist.
Although it is clear that Tom has a strong desire for a typist, his demand for typing services is not yet evident. A demand exists only if someone is willing and able to pay for the goods ----- that is, exchange dollars for goods or services in the marketplace. Is Tom willing and able to pay for typing?
Let us suppose that Tom has some income and is willing to spend some of the it to get his English paper typed. Under these suppositions, we can say that Tom is a participant in

提问时间：2020-10-19

答案

c a b c a