1. In other words, any instance of this class won't be focus traversable. 换句话说，该类的任何实例都是不可遍历的。
2. Scala: Why does zipped method succeed with tuples of List and not Traversable? Scala：为什么拉法成功的元组列表和不可？
3. It's flat and almost entirely traversable if you use the dedicated bike paths that run along the beach. 如果你沿着海滩沿岸的自行车专用道骑，路会很平坦非常好骑。
4. He once described the future as "the rapids" -traversable terrain that required intense concentration on the task in hand. 它将所能看到的未来称作“湍流”——这个遍历的过程需要将精力高度集中在手头的任务上。
5. Although it makes sense for the next focus traversable visible component to get the initial focus, it really depends on the native focus manager. 虽然，下一个焦点可遍历的可见组件获取初始的焦点也是合理的，但这的确依赖于本机焦点管理器。
