The difference between the rates, 20 points in this case, is known as the "spread" or "margin".

买进和卖出汇率的差额------以这里20点为例称为“差幅”。

youdao

The difference between the rates, 20 points in this case, is known as the "spread" or "margin".

买进和卖出汇率的差额------以这里20点为例称为“差幅”。

youdao