A standard one. Replacement during the first year if all rules for proper use have been followed.
有一个原则,如果在一年内符合各种使用规定,就可更换。
It's nothing serious. I think you've been very fortunate. Have you ever used the hot-cloth-and-frozen-peas treatment?
不要紧。我认为你非常幸运了。你用过热布---冻豌豆疗法吗?