Xiaoxiao: This shirt is too small for me.这件衬衫对我来说太小了。

  Xiaoxiao: Do you have a bigger one?你有大一点的吗？

Salesperson: Sure! This is the biggest one.当然，这是最大的。

     Mom: That shirt looks good on you.那件衬衫看起来和你很相配。

  Xiaoxiao: Thank you, Mom.谢谢，妈妈。

     Mom: How much is it?多少钱？

Salesperson: It’s fifteen dollars.15美元。

     Mom: I’ll take it.我要买它。