bread and butter: G, j1 R# J6 d2 @- t+ o
(noun)& J: S5 m! F F5 k. P
the primary or leading means of financial support, existence, or survival" u. |$ l0 `, G e, k* Z4 Y* y! M
EXAMPLE:) s- m2 D* g* M1 }+ m
Bicycle manufacturing provides the company's bread and butter.
发表于 2012-8-14 13:19:23
