an average of 和the average of的区别

来源:百度知道 编辑:UC知道 时间:2024/06/06 15:12:53

the average of 是指具体的某事物的平均数,
an average of是泛指某个平均数,不是特指的
例如, the average of our wage is not very high
we have many books and we have an average of 35 books per person
能体会吗?

前者是把所有的同类进行比较的结果,后者只是一定范围的!