variables
n. [数] 变量
例句
With so many variables, it is difficult to calculate the cost.
有这么多的可变因素，很难计算出成本。
《牛津词典》
It combines quantitative variables and qualitative variables.
它结合了定量变量和定性变量。
Most variables and functions should start with a lower case letter.
大多数变量和函数应以小写字母开头。
