mathematics

1. N-UNCOUNT Mathematics is the study of numbers, quantities, or shapes. 数学

...a professor of mathematics at Boston College. …一位波士顿大学的数学教授。

2. N-UNCOUNT Themathematicsof a problem is the calculations that are involved in it. 数学运算

Once you understand the mathematics of debt you can work your way out of it. 一旦你理解了债务的数学计算，你就能解决它。