这是多少钱？ 
How much does this cost? 

我喜欢这个。 
I like this. 

我要买这个。 
I would like to take this one. 

有没有别的颜色？ 
Do you have any other colors? 

我可以试穿这个吗？ 
May I try this on? 

你可以算便宜一点吗？ 
Can you cut me a deal? 

我可不可以用信用卡付帐？ 
Can I pay by credit card? 

在哪里可以换钱？ 
Where can I change money? 

你们几点营业/打烊？ 
What time do you open/close? 

我要买这个礼物送给我朋友。 
I'm looking for a gift for my friend. 

请帮我把这个包起来。 
Please wrap this for me. 

谢谢，可是我只是看看。 
Think you but I'm just looking.