bread-and-butter

名词 bread-and-butter:

1. the financial means whereby one lives
   同义词：support, keep, livelihood, living, bread and butter, sustenance

bread-and-but.ter

adj.（形容词）

Influenced by or undertaken out of necessity:
谋生的，为了糊口的：受生活需求支配或承担的：
例句：
a bread-and-butter job.
一份糊口的工作

Reliable, especially for producing income; basic:
赖以为生的：可依靠的，尤指做为收入来源的；基本的：
例句：
Household appliances are the company`s bread-and-butter goods.
家庭用具是这家公司的主要商品

Expressive of gratitude for hospitality:
对所受款待表示谢意的：
例句：
a bread-and-butter note.
一封感谢款待的短笺