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

1.
楽な金儲け, おいしい仕事
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.
彼は叔父の事業を相続して楽な金儲けを手に入れた。
•
Many people try to get on the gravy train of government contracts.
多くの人が政府契約の楽な金儲けに乗ろうとする。