全句是这样的When Mike Kelly first set out to build his own private

本意是面包和黄油,这里指工资或者
bread-and-butter
adj.
实用的,生计的,基本的
bread-and-butter
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：
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：
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：
a bread-and-butter note.
一封感谢款待的短笺
bread-and-butter
bread-and-but.ter
AHD:[brµd“n-b¾t“…r]
D.J.[6bredn6b(t*]
K.K.[6brWdn6b(t+]
adj.
Influenced by or undertaken out of necessity:
a bread-and-butter job.
Reliable,especially for producing income; basic:
Household appliances are the company's bread-and-butter goods.
Expressive of gratitude for hospitality:
a bread-and-butter note.