(rail transport) outer track of a loop line

use, usage, utilization, application / exploitation, taking advantage of

every day; daily

everyday life; daily life

commuting to work

commute to work, go to work

use, utilize / exploit, take advantage of

空回り: idling an engine; wasting effort

空回り: idle an engine; waste effort

回り: circumference, perimeter, edge; surroundings; rotation, circulation