I think I can solve the problem, but I have to charge you more than the basic rate.

我想是可以解决这问题的，但价钱方面可能就要比平时的高了？

youdao

Each additional minute is charged for at one third of the basic rate.

每超一分钟要加收基本电话费的三分之一。

youdao

Each additional minute is charged for at one third of the basic rate.

每超一分钟要加收基本电话费的三分之一。

youdao