-Can I help you?您需要什么?
-I want some apples/...我想要一些苹果.
-How many/much do you want?您想要多少?
-One/...Kilo(s)..一/...公斤.
-Could you please pack it/them for me?你能帮我把他们包起来吗?
-How much does it cost?一共多少钱?
-Here is the money.给你钱.
-Wait a moment,please.Here is your change.请稍等.这是找您的钱.