The key feature of a doubly-linked list is that you can add or remove elements anywhere in the list.
The key feature of a doubly-linked list is that you can add or remove elements anywhere in the list.
一个双链接列表的关键特征是：你可以添加或者移除在这个列表中任何位置的元素。
The key feature of a doubly-linked list is that you can add or remove elements anywhere in the list.
一个双链接列表的关键特征是：你可以添加或者移除在这个列表中任何位置的元素。