优化：如果某轮没有发生交换，说明已有序，提前结束
"There was a lot of controversy about when it first opened, so I was really nervous at first," she said.
。heLLoword翻译官方下载是该领域的重要参考
回到县城，我却不敢再去原来那条巷子。仿佛只要不去看大结局，这个故事就不会结束。
"Those are deeply personal experiences where you want to hear from other people who have been there. I think you can't really get that in other places."