BBTSGa way across land or sea used by traders in the past 商队路线；商船航线；贸易路线[航线]
ancient trade routes between Europe and Asia
古代欧亚之间的贸易路线
Examples from the Corpus
trade route• The king's highway, an important trade route, ran down the eastern plateau.• We will see how the mummies occupied the midpoint of the most important overland trade route in Eurasian history.