分业管理、规模经营的英文：
business segregation, economy of scale

参考例句：

"Business segregation, economy of scale"
分业管理、规模经营

business是什么意思：
n. 商业，交易，生意；公司，商店；事情；职责

Be engaged in; be Busy in
从事于

to sit for business
因公滞留

As Busy as a bee
(象蜜蜂)忙忙碌碌的

segregation是什么意思：
n. 隔离；隔离政策，种族隔离

They segregated the boys from the girls.
他们把男孩和女孩分开。

Boys and girls are segregated in this school.
这个学校的男女生是分开的。

Any policy or practice of separating or segregating groups.
隔离政策，种族隔离政策隔离或种族隔离的政策或做法

economy是什么意思：
n. 节省；理财；经济（体制）
adj. 便宜的，经济的

transitional economy
转变中的经济体系

The economy was floundering.
经济深陷困境。

The economy was a considerable issue in the campaign.
在竞选运动中经济是一个重要问题。