哥伦比亚大学夏校经历|打卡纽约.联合国总部/Columbia University Summer School Experience | Visiting New York City and the United Nations Headquarters
7.19日凌晨3点， 我正坐在开往上海浦东国际机场的车上(幻想着外面的世界） At 3 a.m. on July 19th, I was sitting in a car heading to Shanghai Pudong International Airport (daydreaming about the outside world).