none other than 就是；不是别的而正是；正是；而是；恰恰是

【例句】
He called together all his employees and announced that the manager was none other than his son.
他把所有的员工召集到一起，宣布经理不是别人，正是他的儿子。

None other than me, who stands before you now.
那就是我，正站在你面前的这位姑娘。