Common Talk (일상대화) Clay: Excuse me, which bus goes to City Hall? 실례합니다만, 어느 버스가 시청에 가지요 Jun: Number twenty-one. It will come in thirty minutes. 21번이요. 30분후에 올 거예요. Clay: Thrity minutes? 30분이요? Jun: Yes, but it only takes ten minutes on foot. 네, 하지만 걸어서 딱 10분 걸려요.