scope vs. range

scope /skəʊp/ n.

The scope of an activity, topic, or piece of work is the whole area which it deals with or includes.

范围

range /reɪn(d)ʒ/ n.

the amount, number, or type of something between an upper and a lower limit

(数量、种类等变化的)范围，幅度，区域

作为名词，scope和range的区别在于scope指的是它的广度或深度的范围，而range是线性的数量上的变化范围等。

I'm afraid that problem is beyond/outside the scope of my lecture.

恐怕那个问题超出了我的讲座范围。

The product is aimed at young people in the 18–25 age range.

这种产品的目标消费者群是18岁到25岁这个年龄段的年轻人。