dài hái zi lǎo rén huò xíng li shí kě yǐ xuǎn duǎn yì diǎn píng yì diǎn de lù xiàn带孩子、老人或行李时,可以选短一点、平一点的路线。When traveling with children, elderly, or luggage, you can choose a shorter and flatter route.