I don't know. I think this is an unsolvable problem.

我不知道。我只是觉得这个不能解决的问题。

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

It is not an unsolvable engineering problem. It is a small thermal mechanical effect in a prototype design that requires a simple engineering fix.

它不是一个解决不了的工程问题，而是原始设计中一个小的热力机械效应，需要做简单的工程修复。

youdao

But this is domestic policy of extreme importance, and it is a solution rather than an unsolvable problem in a faraway land.

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