在费里尼的电影《大路》中，马戏团演员生活在社会的边缘。但在华尔街，他们赚了几百万，过着神仙般的生活。
In Fellini's film La Strada, the circus artists lived on the margins of society; in the Wall Street circus, they lived like gods, making millions.
这正是发生在吸烟者身上的事件，吸烟者基本上在某个时间点会被推到一个边缘的社会网络。
That's exactly what happened with smoking. Smokers were essentially just pushed to the outer edges of social networks one at a time.
答：目前，结核病控制正处于停滞状态，特别是在病例发现方面，这主要是因为我们目前仍然不能触及那些最脆弱的、处于社会边缘的高危人群。
A: TB control is reaching a plateau, especially in case detection due to the fact that we are still not reaching the most vulnerable, marginalized, high-risk populations.
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