How is “business is business” used?

In The Gentlemen (2020), one line is: “Business is business, Michael. It's nothing personal.”

Which movie is “business is business” from?

The clip at the top of this page is from The Gentlemen (2020).

Business is business, Michael. It's nothing personal.

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a way of saying that financial and commercial matters are the important things to consider and you should not be influenced by friendship, etc.

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a way of saying that financial and commercial matters are the important things to consider and you should not be influenced by friendship, etc.
Business is business, Michael. It's nothing personal.
Business is business. Come on.

定義：Oxford Advanced Learner's Dictionary 第 9 版