Careful bargainer that she was,she bought that dress at a dramatically low price.
问题描述：
Careful bargainer that she was,she bought that dress at a dramatically low price.
前半句应该有个冠词a,但是这里省略了,请问是为什么?
答
前半句是个 修饰she 的定语.如果 加上 a 就是 同位语.