付费

付费

"Paid" or "to pay a fee."

In this sentence, '付费' refers to the act of paying money for acquiring something, specifically an online course.

我决定付费购买这个在线课程。

I decided to pay for this online course.

Here, '付费' is used to indicate the requirement of payment to access premium functionalities.

这个网站的大部分内容都是免费的，但有一些高级功能需要付费才能使用。

Most of the content on this website is free, but some advanced features require payment to use.

In this context, '付费' describes the action of using a paid service for expedited delivery.

他使用了付费服务来确保他的包裹迅速送达。

He used a paid service to ensure his package was delivered quickly.