Can I try 什么 my new dress?I need some meat.什么can I buy it

try on 是 试穿的意思哦 How much can I buy it 意思好似多少钱可以买到哦
再问： 还有一个
再答： 还有一个什么？ How much can I buy it ？ 我要花多少钱可以买到？
再问： 只有一个空
再答： How就可以了 How can I buy it?意思是 我如何才能买到？ 两空就how much。