代行

to act as a substitute / to act on sb's behalf

to act as a substitute; to act on sb's behalf

row / line / commercial firm / line of business / profession / to rank (first, second etc) among one's siblings (by age) / (in data tables) row / (Tw) column

to walk / to go / to travel / a visit / temporary / makeshift / current / in circulation / to do / to perform / capable / competent / effective / all right / OK! / will do / behavior / conduct / Taiwan pr. [xing4] for the behavior-conduct sense

to substitute / to act on behalf of others / to replace / generation / dynasty / age / period / (historical) era / (geological) eon