Maksud perkataan "gravy train" dalam bahasa Melayu

Apakah maksud "gravy train" dalam bahasa Inggeris? Terokai maksud, sebutan dan penggunaan khusus perkataan ini bersama Lingoland

gravy train

US /ˈɡreɪ.vi treɪn/
UK /ˈɡreɪ.vi treɪn/
"gravy train" picture

Idiom

kereta api keuntungan, sumber pendapatan mudah

a situation in which someone can make a lot of money for very little effort

Contoh:
•
He got on the gravy train when he inherited his uncle's business.
Dia menaiki kereta api keuntungan apabila dia mewarisi perniagaan bapa saudaranya.
•
Many people try to get on the gravy train of government contracts.
Ramai orang cuba menaiki kereta api keuntungan kontrak kerajaan.