authorization是什么意思?

authorization的中文含义详细解释：
n. 授权,认可
authorization的列举例句：
May I see your authorization for this?
我可以看看你做这件事的授权书吗?

An official authorization appended to a passport, permitting entry into and travel within a particular country or region.
签证附加于护照的一种官方认可，允许进入和在某一特定的国家或地区内旅游