不可數。意思是“一大筆”，大多數情況后接money。如：A large sum of money has been lost. 有一大筆錢丟失了。sum作可數名詞意為“總述”、“算術”、“金額”、“要點”等意思。

a large sum of例句

He lost a large sum of money on the deal.

他在這筆交易上損失了一大筆錢。

She paid me a large sum of money for my services.

她為我的服務付給我一大筆錢。

I have been offered a large sum of money to go away.

他們曾向我提供一大筆錢讓我搬走。

I have been offered a large sum of money to go a away.

他們曾向我提供一大筆錢讓我搬走。

How do you account for losing such a large sum of money?

你怎樣說明為什么損失了這么大一筆錢？