incidental expenses
成語所屬單字expense
incidental expenses — 慣用語
1. small additional costs that come up during a trip or project, such as tips, laun
1.慣用語
釋義
雜項開支；零星費用
small additional costs that come up during a trip or project, such as tips, laundry, or local transport
例句
The per-diem allowance covers meals and incidental expenses like taxi fares.
Keep the receipts for any incidental expenses you incur at the conference.