当初我也想做个认证，却被告知要出版社提供证明，出书的时候根本没在意这个，是委托他人与出版社联系的。意兴阑珊，只好作罢。
I wanted to be certified, but I was told to get proof from the publisher, and I didn't care about it at the time of the book, so I asked someone else to contact the publisher.