求救，谁帮我翻译下Prep1-28，连题目都看不大懂，我干脆撞墙算了 .....

novaniu

prep1-28
First-time
computer buyers buying PXC home computers typically buy models that
cost much less and have a smaller profit margin per computer than do
PXC computers bought by people replacing their computers with more
powerful models.  Last year PXC's profits from computer
sales were substantially higher than the previous year, although about
the same number of PXC computers were sold and the prices and profit
margins for each computer model that PXC sells remained unchanged.

前面半句话我没看明白，model和computer市什么关系，为什么他们之前可以做比较？

哪位大侠来挽救一下我吧......

novaniu

自己顶
谁来救救小虾米~~

ccjhwk

model是型号的意思，像IBM的电脑就有很多的型号，有贵的有便宜的。

并没有直接拿model和computer做比较。

比较的是第一次买电脑的人和为电脑更新换代的人的购买差别。

novaniu

谢谢

总算看明白了~