bread and butter
noun [ U ] uk/ˌbred ən ˈbʌt.ər/ us/ˌbred ən ˈbʌt̬.ɚ/
your bread and butter 谋生的职业;谋生之道
a job or activity that provides you with the money you need to live
Gardening is my bread and butter right now. 眼下园艺工作是我的谋生之道。
bread-and-butter
adjective [ before noun ] ukus
(想法或问题)基本的,日常的,关乎大多数人的
Bread-and-butter ideas or problems are the basic things that directly relate to most people.
Health and education are the kind of bread-and-butter issues that people vote on. 医药卫生和教育之类有关民生的基本问题是人们投票时所关注的。