缴费（to pay a fee）是指在某个场合（如注册或办理业务），支付一定的费用（例如：学费、保险费、注册费等）。

来源：缴费这个词来自拉丁语"pactum"，意思是"协议"或"契约"。

例句：

I need to pay my tuition fee before the deadline.

The insurance company requires a premium payment every month.

I have to pay a registration fee to enroll in this course.