1.cheap便宜的,  expensive贵的,  discount折扣,  wrap包裹起来,  moment片刻,瞬间,  cash现金,  credit card信用卡,  in cash用现金,  with a credit card用信用卡.

2.A:  Hello!

   B:  Hello! 

   A:  Are you looking for something?

   B:  I am looking for ……….. Which one do you recommend?

   A:  I recommend ………., it is ………

   B:  I like this style, do you have any other colors?/ 

        Do you have any other styles?

   A:  Yes, we have ………./ Yes, we have this …….., it is ……..

   B:  May I try it on?

   A:  Sure, what size do you wear?

   B:  I wear a/an ……….

   A:  Here you are!

   B:  Where is the fitting room?

   A:  It is over there!

   A:  How is it?

   B:  It is too ………, do you have a …….. one?

   A:  Yes, we do. Here you are.

   B:  It fits me perfectly! How much is it?

   A:  99 dollars, please.

   B:  It is too expensive, can you give me a discount?

   A:  sure, it is ……….. dollars./ Sorry we can’t.

   B:  Ok, I take it. Would you wrap it, please?

   A:  Sure, just a moment. Would you like to pay in cash or with a credit card?

   B:  I would like to pay in cash/with a credit card.

   A:  Here you are.

   B:  Thank you so much, have a good day.

   A:  Have a good day!