تعريف ومعنى "{sb} (can|could) take it or leave it"

What is the origin of the idiom "someone can take it or leave it" and when to use it?

The origin of the idiom "someone can take it or leave it" is not attributed to a specific source or historical event. It is a common expression that has likely evolved naturally over time in the English language. It is used to convey that a person is indifferent or neutral towards something. It suggests that they have no strong preference or desire either to have or engage in a particular thing or activity.