A businessman usually subtracts his costs from his gross profits.是什么意思？

A businessman usually subtracts his costs from his gross profits.

通常商人从毛利中减去他的成本.

businessman

n. 商人，实业家；

例句
...a businessman who began by selling golf shirts from the boot of his car...
靠他的汽车后备箱练摊兜售高尔夫球衫起家的商人

usually

adv. 通常，经常，平常，惯常地，一直，向来，动不动，一般，素；

例句
In Europe, AC is usually generated at 50 Hz.
欧洲的交流电输出频率通常为50赫兹。

subtracts

v. 减，扣除，做减法( subtract的第三人称单数 )；

例句
The positive - going signal subtracts from the forward bias of the lower transistor.
正向信号则使它的正向偏压减弱.

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

costs

n. 讼费，诉讼费用，不惜任何代价，价钱( cost的名词复数 )，花费，牺牲，[用复数][法律]诉讼费（尤指判处败方偿付胜方的诉讼费用）；v. 价钱为，花费( cost的第三人称单数 )，估计成本，付出（代价），估价；

例句
...absent fathers who fail to pay towards the costs of looking after their children.
那些不在子女身边、未能支付抚养费的父亲

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；

例句
...an abortive attempt to prevent the current President from taking office.
企图阻止现任总统连任的失败尝试

gross

adj. 总的，严重的，令人不快的，粗鲁的；n. 总收入，罗（一罗为144个）；vt. 总共收入为，总共赚得；adv. 总共，全部；

例句
Expenses are deductible only to the extent that in aggregate they exceed 7 percent of gross income.
只有在消费总额超过总收入的7%时才可免税。

profits

n. 利润，收益，赢利( profit的名词复数 )，益处，得益，好处，裨益，利润率；v. 获益，得利于( profit的第三人称单数 )；

例句
...the expectation that profits will accrue.
希望利润会增加的期待