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.