Language Point 47
... without having to check your tracks in a rear-view mirror. (Para. 14)
Meaning: ... without looking back with a regret at what you have done.
rear: a. at the back; in the back 后面的
He left by the rear door of the house.
他從房子后門走了。
She returned to rear military centre about fifteen miles behind the front lines.
她回到了離前線大約15英里的后方指揮部。
n. the back part; back
The kitchen is in the rear of the house.
廚房在房子的后面。