Consumers are charged a monthly fee above their basic cable costs.

消费者每月被收取高于基本有线费的一笔费用。

《柯林斯英汉双解大词典》

The company did not say if this would require an extra monthly fee or if it would be included in the basic data plans.

但该运营商没有说这个功能会不会带来额外的月套餐费，或者是否包含在其基本数据套餐之中。

youdao

It's a social approach to learning a language, and one that's cheaper than pricey software like Rosetta Stone - basic courses are free, and utilizing the community costs only a small monthly fee.

用LiveMocha来学习是你学一门语言的社交方式，而且它比Rosetta Stone软件要便宜得多——在LiveMocha上，基本课程都是免费的，而使用社区的话，每月也只需要你支付一点点费用。

youdao

It's free for a basic page and for a small monthly fee you can access more features.

BBC: How to use the internet to promote your unsigned band

At first they invested in a basic-level membership that had the lowest monthly fee and a two-figure monthly minimum on dining service.

NPR: Weak Housing Market May Not Be Signal to Buy