入场费

例句：

1. 1. The museum requires a $20 admission fee for visitors under 18.
   博物馆要求游客18岁以下需要支付20美元的入场费。
2. 2.The concert is free for students with IDs, but you need to pay the admission fee.
   音乐会对学生免费，但你需要支付入场费。
3. 3. The ticket office will collect your admission fee upon entry.
   售票处会在你进入时收取入场费。