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店员:
Welcome to the sports department! 
欢迎来到运动品部！
顾客:
I want to buy a basketball， please.
我想买一个篮球。
店员:
No problem. We have very good Spalding basketballs in store.
没问题。我们店里有很好的斯伯丁篮球。
顾客:
What is the size?
大小是多少？
店员:
It is officially sized NBA basketball.
它是符合NBA的篮球标准的。
顾客:
Great.
太好了。