1. bread and butter
As a student I could hardly afford bread and butter.
l can't have you messin' up my bread and butter, dude.
Please tell me the bread and butter of your report. Don’t go into details.
It's easy for you to say, but this is my bread and butter.
Inglês palavra "chleb i masło"(bread and butter) ocorre em conjuntos:
at your service - restaurant