gravy train

US /ˈɡreɪ.vi treɪn/
UK /ˈɡreɪ.vi treɪn/
"gravy train" picture
1.

tren de la fortuna, fuente de ingresos fácil

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

:
He got on the gravy train when he inherited his uncle's business.
Se subió al tren de la fortuna cuando heredó el negocio de su tío.
Many people try to get on the gravy train of government contracts.
Mucha gente intenta subirse al tren de la fortuna de los contratos gubernamentales.