grey pound

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌgrey ˈpound noun British English  the grey pound the money that older people have available to spend, especially after their children have grown up and left home 灰色英镑〔尤指孩子们长大离家后老人可支配的钱〕From Longman Business Dictionarygrey poundˌgrey ˈpoundECONOMICS used to talk about the amount of money that older people have available to spend → pound

ˌgrey ˈpound nounChineseSyllable  

available Business have the money older people especially to that spend,

grey pound
ˌgrey ˈpound noun British English
the grey pound the money that older people have available to spend, especially after their children have grown up and left home