如果你不完全满意，该产品附带有退款保证。

The product comes with a money-back ___guarantee if you're not completely satisfied.

这款笔记本电脑有一年的保修吗？

Does this laptop come with a one-year ___guarantee?

恐怕我们不能免费修理你的手机，因为它已经不在保修期内了。

I'm afraid we can't fix your phone for free because it's no longer under ___guarantee.