They document life in Manhattan's Chinatown at a time when it was one of the most closed communities in New York.
这些照片记录了曼哈顿唐人街上的生活，当时它是纽约最封闭的社区之一。
犯罪心理 第3季
This unsub chose a closed community on purpose.
不明嫌疑犯刻意地选择了封闭的社区。
英语百科
Closed community
A closed community intentionally limits links with other communities. In contrast, an open community maintains social relations with other communities.
Closed communities are particularly important in health research focused on disease outbreaks and control. Some examples of closed communities include: