swan off的用法和樣例：
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.
偏離小路，幾乎寸步難行，儘管有人曾經穿越過，也有像八眼巨蛛和一樣大的生物，附近還遊盪著一輛福特安格利亞車。 - 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.
你在夢鄉里遊盪，是你自己失掉了欣賞有趣的故事的機會。
