halfway house
noun uk/ˌhɑːf.weɪ ˈhaʊs/ us/ˌhæf.weɪ ˈhaʊs/
[ C ]（为犯人或精神病人重返社会设立的）过渡教习所，重返社会训练所
a place where prisoners or people with mental health problems can stay after they leave prison or hospital and before they start to live on their own
[ C usually singular ]折中办法，妥协方案
something that combines particular features of two other things, especially in order to try to please people who do not like the two things on their own
The new proposals are a halfway house between the original treaty and the revised version. 新提案是原始协议和修改后的协议的折中。