to apply for a permit的用法和樣例：
例句
- If you want to adventure on Snake Island, you have to apply permission.
如果要想到蛇島去探險，您得申請許可證。 - The regional administration of CAAC shall, when issuing a permit for using the civil airport, apply to CAAC for a serial number of the permit.
民航地區管理局在頒發民用機場使用許可證時應當向民航總局申請許可證編號。
