A more polite way to say "No, thanks" in Japanese. When I entered a super market in a department store in Okinawa last month, there was a staff approached me and wanted to offer me a basket for shopping. Fact is I don't need it at all so I responded "結構です" to that staff. I soon regretted pretty much 'cause I found myself might just hurt that staff's feeling, plus I do know Japanese consider social manners pretty much seriously. So here's my question, what should I say in a more polite way in response to. Highly appreciate in advance for any precious advices.