The warranty period
保修期
It's the latest and quite popular among young people.
这是最新的产品,很受年轻人的欢迎。
Yes, I know and I like it very much. I will take it.
是的,我知道,我非常喜欢它,我买下了。
Sure. Here is your receipt.
好的,给您发票。
How long is this cell phone guaranteed?
这个手机的保修期是多长时间?
You can refund it in 7 days and exchange it in year.
七天内保退,一年内保换。