旧金山有几条街，温哥华去年清理后好一点了；但是波特兰整个市中心全是；今天看报道旧金山毒品死亡比例也是非常高

Overdose deaths reached a record high last year, topping 800. Public drug use is widespread in some neighborhoods. How did San Francisco get to this point? In part, it follows the national story: The rise of fentanyl, a synthetic opioid, and a destabilizing pandemic caused a spike in addiction and overdose deaths.6 hours ago

https://www.nytimes.com › upshot

Can San Francisco Solve Its Drug Crisis? Five Things to Consider. - The New York Times