n. guarantee
misc. warranty bill
如果商店倒闭，这张保修单可能就没有价值了。
The guarantee could be worthless if the shop goes out of business.
如果保修单有限制，这些条款可让你有权换货或退款。
If the warranty is limited, the terms may entitle you to a replacement or refund.
不管保修单上怎么说，当产品出现故障时，你仍然可以去商店维护自身的权益。
Whatever a guarantee says, when something goes wrong, you can still claim your rights from the shop.
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