我的国际通话超出了套餐限额，所以账单上出现了额外费用。

There were unexpected ___overages on my bill because I used more international minutes than my plan allowed.

我们的电话套餐包含500分钟通话时间，超出部分将收取额外费用。

Our phone plan includes 500 minutes, and any ___overages will incur additional charges.