traffic，transportation

general，ordinary，usual​

to go back and forth between

to go by，to go past

traveling expenses

commonness，community

point in common，common feature​

to lead to，to be understood

to force through，to let pass

avenue，street

to pass through

correspondence，communication

commuting to work​

commuting to school

notice，notification

passage，passing

interpretation

passage through

common，general，normal，usual​