29-30.It's a small world = 真是小世界 It's a small world (真是小小世界) It's a small world小世界 It‘s A Small World 真是小小世界 13.It's a small world It's a small world(小小世界) It's a small world(小小世界） It's A Small World 真是小小世界; 12.It's a small world It's a small world