An annual membership fee paid once a year to a club, organization, or service.
図書館の年会費を銀行振込で支払った。
I paid the library's annual membership fee by bank transfer.
このスポーツクラブの年会費は一万円だ。
The annual membership fee for this sports club is 10,000 yen.
年会費を滞納すると会員資格を失うことがある。
If you fall behind on the annual fee, you may lose your membership.