This is the 4452nd most frequent Chinese word.
收费
"收费" means "to charge a fee."
Here, '收费' is used as an adjective to describe that the service or facility demands a fee.
停车场的使用是收费的，请事先缴纳费用。
The use of the parking lot requires fees, please pay in advance.
In this sentence, '收费' is used as a verb, indicating the action of charging or collecting fees.
我们餐厅对于外带食品不收费。
Our restaurant does not charge fees for takeout food.
In this example, '收费政策' is a noun phrase where '收费' specifies the policy regarding fee-charging.