해외foreign country; overseas 해외여행overseas travel; trip abroad 외국foreign country 외국어foreign language 외국인foreigner 외출going out; outing 과외extra work 교외suburb; outskirts 교외out-of-school; off-campus 국외outside a territory

교통transportation; traffic 교통비fare; transportation expense 교통사고traffic accident; car crash 교환exchange 교대rotation; shift 교류mixture of currents; intersection of streams 교우friend 교통경찰traffic police 교통난traffic congestion; traffic jam 교통량traffic volume; traffic density