費

surname Fei

to cost / to spend / fee / wasteful / expenses

not (literary) / used in transliteration

cowrie / shellfish / currency (archaic)

(literary) not / used in transliteration

free (of charge)

to pay / to cover the costs

insurance fee

at public expense

to pay a fee

admission fee

food expenses / board expenses / meals (cost)

transport costs

insurance premium

free riding (economics)

freeware

(computing) paywall (loanword)

see 三公經費|三公经费[san1 gong1 jing1 fei4]

"three public expenditures" of the PRC government, i.e. air travel, food and entertainment, and public vehicles

house call fee / callout fee

not troublesome

as easy as blowing off dust / effortless / with ease

China Consumers' Association (CCA)

labor cost

low cost