An unsolvable problem of the past might not seem like fertile ground for debate.

一个过去未曾解决的问题看来不像有很大余地争论的话题。

youdao

An unsolvable problem of the past might not seem like fertile ground for debate.

一个过去未曾解决的问题看来不像有很大余地争论的话题。

youdao