It's a hypothetical question.

这不过是个假设问题罢了。

youdao

Can I ask you a hypothetical question?

我可以问你一个假设的问题吗？

youdao

Can I ask you a hypothetical question?

我可以问你个假设的问题吗？

youdao

To send people to the polls to answer a hypothetical question is to invite trouble.

ECONOMIST: Dead, but not yet buried | The

A. Congressman, that is a hypothetical question, and I'm not going to answer a hypothetical question.

CNN: Transcripts from video deposition of Lewinsky, Jordan, and Blumenthal

Mr Hope replied: "It was a hypothetical question" and added that the comment "was not an admission".

BBC: Jason Richards and Ben Hope - artist impression