not to mention 更不用說；此外還有

例句：
He has two big houses in this country,not to mention his villa in France.
他在這個國家有兩個大房子，更不用說他在法國的別墅了。
We can't afford a car,not to mention the fact that we don't have a garage.
我們買不起汽車，沒有車庫的事就更不用說了。

A:I really need your help.
我真的需要你的幫忙。
B:Go straight.
直說吧。
A:I got dumped by Mary, and I know that you are one of her best friends, so..
我被瑪麗甩了，我知道你是她最好的朋友之一，所以……
B:Sorry, I'm busy now, I haven't finished my paper yet, not to mention your stupid thing.
對不起，我現在很忙，我論文還沒寫完，更不用說你那些愚蠢的事情。

背景音樂：
Usher — papers

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