1. 去年这个时候，民调认为我国行进在正确轨道上的比例是18%，现在是42%
https://www.realclearpolling.com/polls/state-of-the-union/direction-of-country
2. 圣地亚哥市和郡私放烟火都是非法的。
https://www.countynewscenter.com/fireworks-are-illegal-and-can-be-dangerous/#:~:text=This%20Fourth%20of%20July%2C%20CAL,and%20sane'%20%2Dare%20illegal.