For each approximate solution of a parameterized problem, the app also displays the margin of error.
对于每一个参数化问题的近似结果，这个程序也会显示误差的边界。
2
The contraction in their net interest margin, the gap between their cost of funds and the rate at which they deploy them, underscores a larger problem in the American economy.
净利率差额的紧缩，筹资成本与分配率的差距表明美国经济遇到了很大的问题。
3
One of the problem is severe poverty which manifests itself in low-margin, inefficient work, a small number of opportunities and limited educational resources.