出典:Wiktionary
出典:『Wiktionary』 (2010/09/04 11:44 UTC 版)
Referring to the red lights that were used as signs for brothels.
red-light district (複数形 red-light districts)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/21 06:57 UTC 版)
A red-light district is a part of an urban area where there is a concentration of prostitution and sex-oriented businesses, such as sex shops, strip clubs, adult theaters, etc. The term originates from the red lights that were used as signs of brothels.