no-obstacle的用法和样例：
例句
- Guidolin has resigned from the Sicilian outfit, so there are no obstacles to their return to the Stadio Renzo Barbera this summer.
圭多林已经从巴勒莫辞职，因此他们回到巴勒莫再无障碍。 - And even people who have no difficulty navigating menus, dialogue boxes and so on, might use computers more productively if their interfaces were better.
甚至对于那些能够无障碍浏览菜单和对话框的人来说，如果电脑界面变得更友好有助于提高计算机的使用效率。
