availability

Please check the availability of hotel rooms before booking your flight to Tokyo.

(Chinese) 在订飞往东京的机票前，请先核实酒店房间的空余情况。

The surgeon's limited availability meant the patient had to wait three months for the operation.

(Chinese) 外科医生的档期非常满，这意味着病人必须等待三个月才能手术。