swan off的用法和样例：
例句
- Off the path, the way is almost impassable, although people have moved through it and creatures as large as Acromantulas and a Ford Anglia have managed to get around.
偏离小路，几乎寸步难行，尽管有人曾经穿越过，也有像八眼巨蛛和一样大的生物，附近还游荡着一辆福特安格利亚车。 - He probably didn't care and knew that you were missing a reenactment of a good story while your mind was off in dream world.That is exactly what happened that day.
你在梦乡里游荡，是你自己失掉了欣赏有趣的故事的机会。
