Often lost in thought

Usually when you drive a car, are often lost in thought, on the surrounding events are ignored.

平时开车时，也常常陷入沉思，对周边发生的事情都忽视掉了。

They are often lost in thought, lost in a book or an activity to the point where they do not register their surroundings.

他们常常会陷入沉思、沉浸在一本书或一个活动里，以至于忘却了周围的其他事物。

"All the money the city thought it saved, it lost," Mr. Burney told me, "because projects were often left unfinished or in disrepair."

“所有城市所认为省下来的钱，实际上损失掉了。”伯尼对我说，因为项目经常虎头蛇尾或者总是失修。