業務的英文：
business; professional work; occupational activities; practice; a transaction; an affair

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

professional是什么意思：
adj. 职业的；高水平的
n. 职业选手；专家，内行

His profession is a teacher || He is a teacher by profession
他的职业是教师

The author of the guidebook is an architect by profession.
该手册的作者任职建筑师。

The author of the guidebook is an architect by profession
该手册的作者任职建师

work是什么意思：
n. 工作；职业；工厂；工作地点；产品；功；操作；作品；工程
v.（使）工作；操作；运作；起作用；使缓慢前进；经营

the works of a clock
钟的活动部件

conscientious work
本着良心做的工作

The work is not advancing.
工作没有进展。