看了一篇文章,说得挺好,但是有一点不是很确定 * L' T' v7 I6 L 5 ?: E% I N) ?0 }: L% a$ k- N1 C. v16. Manage Your Speed l+ l, U/ s* H% o$ h H, X+ RIf you drive a car with automatic transmission, use cruise control to manage your speed and conserve fuel. % V2 S' T7 o0 g) i& w/ J6 O0 |' r9 B* E , o+ w; D- F+ C9 M! T8 b7 z: B( n; ^文章说用自动巡航省油,但是我记得有人说自动巡航费油。大家评论一下。. f" c( {( {6 P7 n