Within a new question and answer section Apple said : " Years of use , which are based on first owners , are assumed to be four years for OS X and tvOS devices and three years for iOS and watchOS devices . "
在一轮问答环节中，苹果公司表示：“对于第一所有者的产品的使用年限，我们认为OSX和tvOS的期限一般为四年，而iOS和watchOS产品为三年。”
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