【经】 pooling-of-interest
gather; troop together; aggregate; assemble; concourse; convene; muster
rendezvous; congregation; concentration
【计】 disjoint set
【医】 aggregate; aggregation; agmen; agmina; convergence
【经】 assembly
manage; deal in; engage in; keep; run
【经】 deal; handle; manage; management; operate; operation