“保修单”造句
如果厂家倒闭，
保修单就会变得毫无用处。
The guarantee could be worthless if the firm goes out of business.
不论
保修单如何规定，若商品出了问题，消费者仍然可以去商店维护自身权益。
Whatever a guarantee says, when something goes wrong, you can still claim your rights from the shop.
是的, 我有一年的
保修单.
Yes, I have a one - year warranty.