这桩罪行涉及的许多问题仍然没有答案。

Many questions about the crime remain unanswered.

《牛津词典》

令人兴奋，但没有答案那么令人兴奋！

Exciting, but not as exciting as the answer!

youdao

喷洒杀虫剂导致的植物繁殖力下降是否真的会导致开花植物物种总数的下降，这个问题仍然没有答案。

The question of whether the decrease in plant fecundity caused by the spraying of pesticides actually causes a decline in the overall population of flowering plant species still remains unanswered.

youdao

I think the answer may involve the possibility that at the beginning of the poem, there simply wasn't a clear distinction between the poet and the speaker.

答案可能包括了,在诗歌的开头,根本就没有一个清晰的区分的可能性。

耶鲁公开课 - 弥尔顿课程节选

Nobody knows, but there's a theory which won't answer your question but will put it into a broader context.

没有人知道答案,但有这么个理论,它无法回答你的问题,但却能让你从更宽广的视角来看这个问题

耶鲁公开课 - 心理学导论课程节选

So one thing you will quickly note is that there are no permanent answers in a study of political philosophy.

有一件你们会马上注意到的事,就是没有永恒的答案,可用以研究政治哲学。

耶鲁公开课 - 政治哲学导论课程节选