as of
自 ... 起, 截至
例句与用法：
The property belongs to her as of right.
这财产按理说是属于她的。
Not measuring up to recognized standards of excellence, as of behavior or conduct.
不符标准的，不完美的表现或行为未达到公认的完美标准的
I know that as of last week he was still unmarried.
我知道到上星期为止他还没有结婚。