$ L1 k3 d3 q; J6 q, R3 h1 X16. Manage Your Speed 5 D; r: `7 x, S2 ~. x# LIf you drive a car with automatic transmission, use cruise control to manage your speed and conserve fuel.* x% L' O1 n, q+ l2 Q! n; d+ @
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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。1 P* ]7 r3 f- E) \! {9 _