When you buy a physical item - a book, a dress, a DVD - that you don't want, you can return it and get your money back (assuming you haven't.
Mgbe ịzụrụ ihe anụ ahụ-akwụkwọ, uwe, DVD-nke ị na-achọghị, ị nwere ike iweghachite ya ma nwetaghachi ego gị (na-eche na ị hapụghị ya, nweta akwụkwọ azụmahịa, wdg).