很久很久以后,地球上的文明越来越发达,建筑越来越漂亮高大,街道越来越宽敞,人越来越多,动物植物却越来越少。人们去一趟动物园简直就像去外星球一样新鲜,每到周末、节假日这里就人满为患。于是开动物园成了全世界最挣钱、最火爆的生意,世界各地 After a long and long time, the civilization on earth is more and more developed, the buildings are more and more beautiful, the streets are more and more spacious, more and more people are getting fewer and fewer animals and plants. People go to the zoo is almost as fresh as the outer planet, over the weekend, holidays, overcrowding. So the park has become the world’s most profitable, the hottest business, all over the world