The only thing they will never be excelled in, perhaps, is the charm and fascination they provide us when traveling "through the mountains and over the streams" of being carried along once-familiar scenes, as though through a time tunnel, back to our past.
唯一無法比擬的，恐怕是它「穿過高山」、「越過小溪」時，透過沿路熟悉景象，彷彿進入時光隧道，帶我們回溯曾走過的足跡的那份趣味吧！