Mathematicians can solve problems with two variables.是什么意思？

Mathematicians can solve problems with two variables.

数学家们可以用两个变数来解决问题.

mathematicians

n. 数学家( mathematician的名词复数 )；

例句
As far as mathematicians are concerned, there's a certain virtue in wearing intellectual blinkers...
就数学家们来说，用学者的眼光来看问题不无裨益。

can

aux. 能够，可以，有机会；n. 金属罐，一听，金属容器；vt. 将…装罐保存，炒…鱿

例句
When I listen to her play I can hear a new Nigel Kennedy.
从她的演奏中我听出了新一代的奈杰尔·肯尼迪。

solve

vt. 解决，解答，解释，清偿（债务）；

例句
They just hurt the people in their community, they didn't really solve any problem.
他们只是伤害了他们社区的居民，并没有真正解决任何问题。

problems

n. 问题( problem的名词复数 )，疑难问题，习题，思考题；

例句
There are two main problems which afflict people with hearing impairments...
听力有障碍的人们主要受到两大问题的困扰。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我

例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

variables

n. 可变因素，变数( variable的名词复数 )；

例句
Other variables in making forecasts for the industry include the weather and the general economic climate.
对该产业进行预测时还要考虑天气和宏观经济环境等其他不确定因素。