gravy train的用法和樣例：
例句
- His father believes that the only reason for going to university is to be able to get on the gravy train.
他父親認為上大學(xué)的惟一理由是可以找到容易賺大錢(qián)的工作。
詞匯搭配
- ride the gravy train 干不費力的活...
- gravy train 輕易發(fā)大財之工作...
- get on the gravy train 干不費勁的差事...
