With few exceptions, the publishing industry has come to a consensus: if a book has a young protagonist, and if its worldview is primarily interested in the questions that crop up when coming of age, then it's a young adult novel. Eliot Schrefer
除了少数例外，出版业已经达成共识：如果一本书有一个年轻的主人公，如果它的世界观主要感兴趣的问题出现时，成年，那么它是一个年轻的成人小说。施勒费尔（谷歌翻译仅供参考）