料金

1. Origins, structure, and basic meaning

• Structure: 料金 is a noun read りょうきん, meaning a fee or charge paid for admission, use, or a service.
• Basic usage: It forms compounds such as 入館料金 for an admission fee and 追加料金 for an additional charge.
  • 入館料金は入口の券売機で払う。 states that the admission fee is paid at the ticket machine by the entrance; 追加料金が必要か店員に確認した。 describes asking a clerk whether an extra charge is required.

2. Common pitfalls and similar expressions

• 料金を払う
  • を marks the fee being paid.
• 券売機で
  • で marks the ticket machine as the means or place of payment.
• 必要か確認する
  • The embedded question with か makes the need for an extra charge the point being checked.