孩子曾经问我,“你觉得美国什么方面好?”我说,“美国有两件东西是世界上其他国家很难超越的:一是美国的大学,优美开放的校园汇集了来自世界各地的学者和学生,这些大学是新思想的汇集地,也是许多科技创新的发源地;第二就是美国的国家公园,这一体制有效地保护着美国独特的自然风景和文化遗产,并欢迎世界各地的人前来参观欣赏”。19世纪、甚至20世纪初以前,原产于美国的思想和技术屈指可数,然而“国家公园”却是实实在在的“美国制造”。对于美国人来说,国家公园体系是美国人的 The child once asked me, “What do you think is good about the United States?” I said, “There are two things in the United States that are difficult to surpass in other countries in the world: First, U.S. universities, beautiful and open campuses bring together the world.” Scholars and students from all regions, these universities are the gathering place of new ideas and the birthplace of many technological innovations; the second is the National Park of the United States. This system effectively protects the unique natural scenery and cultural heritage of the United States and welcomes the world. People from all over the country came to visit and appreciate it.“ Before the 19th century or even the early 20th century, only a handful of ideas and techniques originated in the United States. However, ”national parks“ are actually ”made in the United States." For Americans, the national park system is American