this red sweater is too expensive.can you show me a____one?答案是cheap 为什么不是cheaper?
问题描述：
this red sweater is too expensive.can you show me a____one?答案是cheap 为什么不是cheaper?
答
之前没有cheap，不存在比较
although this coat is cheap,i want a cheaper one这时候用cheaper
答
因为red sweater is expensive,没有cheap的意思,所以没有比较的对象.应该要有一个cheap,才能用cheaper,这样就行,This red sweater is cheap,but can you show me a cheaper one.