而付费用户支付的金额通常也是很小的；网络电话是一项每分钟只赚几分钱的生意，而且正在变得越来越便宜。

Those who do pay usually do so in relatively teeny amounts; telecom over the Internet is a pennies-a-minute business, and getting cheaper by the month.

youdao

而付费用户支付的金额通常也是很小的；网络电话是一项每分钟只赚几分钱的生意，而且正在变得越来越便宜。

Those who do pay usually do so in relatively teeny amounts; telecom over the Internet is a pennies-a-minute business, and getting cheaper by the month.

youdao