and 和 but The dress fits me well,( )I don't want to buy it ……

问题描述:

and 和 but The dress fits me well,( )I don't want to buy it ……
The dress fits me well,( )I don't want to buy it because it is too expensive.
从中文角度分析,and 和 but均可以呀,为什么只能选 and呢?

个人理解填 but 好点
前面说裙子适合我,后面说不买,因为太贵.有转折的意思.用but,译作但是我原也选but的,但答案却是and.能确定是but 吗?确定。明显的转折,不是并列。而且后面解释转折的原因。