public convenience       
noun [ C ] mainly UK formal uk/ˌpʌb.lɪk kənˈviː.ni.əns/ us/ˌpʌb.lɪk kənˈviː.ni.əns/
 公共厕所
a building containing toilets that are available for everyone to use
 Synonyms: bathroom comfort station restroom toilet (CONTAINER) 
See also: convenience