The mini charge will apply for the first three minutes, then each additional minute will be charged.

最低费用实用于三分钟，其后每多一分钟再追加一分钟的用度。

Each additional minute will be charged accordingly.

每增加一分钟另加收。

Currently, the calls run 50 cents for the first minute, and another nickel for each additional minute.

目前电话费是第一分钟50美分，每增加一分钟增加5美分。

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。