犯罪嫌疑人和被告人有权对讯问内容不置可否，既不否定也不肯定，使讯问不产生实际意义上法律后果。

Suspects and the accused have the right to refuse to answer interrogations. Neither denied nor confirmed can have a real sense of the legal consequences.

youdao

The answer that Yeats is giving here is different from saying either "yes" or "no" to that question.

叶芝此处给的答案,既不肯定也不否定。

耶鲁公开课 - 现代诗歌课程节选