Thank you but I'm just looking. 谢谢，可是我只是看看。
　　Let me look around a little more. 让我自己看看
　　Do you have this in another color? 这个有别的颜色吗？
　　May I try this on? 我可以试穿这个吗？
　　Is this tax free? 这免税吗？
　　Can I pay by credit card? 我可不可以用信用卡付帐？
　　Too expensive. How about a discount? 太贵了，打个折吧？
　　Still too expensive. Give me a better discount, and I'll bring back my friends. 还是太贵了，再便宜一点吧，我会带朋友来。