短語詞組短語travel route product 線路産品travel route planning 行程槼劃travel route choice 出行路逕選擇classic travel route 經(jīng)典線路Travel route optimization 行駛路線優(yōu)化travel route navigation 行程導(dǎo)航the cheapest travel route 最不貴的旅遊路線route travel time prediction 路段行程時(shí)間預(yù)測route travel time 路線運(yùn)行時(shí)間 返回 travel route