貌似前面有文章烂尾了，不管了，先写这个 The California Zephyr is a 2,438-mile (3,924 km) passenger train route operated by Amtrak from Chicago, Illinois, in the east to Emeryville, California, in the west, passing through the states of Illinois, Iowa, Nebraska, Colorado, Utah, Nevada, and California. The route is the longest and one of the most scenic routes run by Amtrak, with views of the upper Colorado River valley in the Rocky Mountains, and the Sierra Nevada.  ——wikipedia