这个新闻讲NRA用hunting license来买枪的事情。美国人也觉得这像是个bug（你可以买枪for non-hunting purpose）

Feds seize guns of 8 Chinese students at University of Arizona
https://www.azcentral.com/story/news/local/arizona/2017/05/21/feds-seize-guns-8-chinese-students-university-arizona/334920001/