However, if the ETag values do not match, meaning the resource has likely changed, then a full response including the resource's content is returned, just as if ETags were not being used.
然而，如果ETag的值不匹配，这就意味着资源很可能发生了变化，那么，一个完整的响应就会被返回，包括资源的内容，就好像ETag没有被使用。