The issue is still under negotiation.

这个问题还在商讨之中。

《牛津词典》

We respect the internal debate in the US, but it is important for the US to understand that this is a global issue and a multilateral negotiation.

我们尊重美国的内部辩论，但重要的是，美国应该认识到这是一个全球性的问题和多边谈判。

youdao

The Iranian side opposes to submit this issue to the UN Security Council. Iran is willing to eliminate the doubt about Iranian nuclear actions through negotiation and find a comprehensive solution.

现在核问题越发敏感，伊方反对将此问题提交联合国安理会，愿意通过谈判消除外界对伊核活动的疑虑，达成全面解决方案。

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But South Korea is unlikely to want to apply any sort of real squeeze on North Korea over the nuclear issue until more negotiation has been tried first.

ECONOMIST: Bucking up the alliance

However, the scenarios included multiple rounds of negotiation, so there was room for give-and-take: in a third experiment, with negotiation focused on a single issue, mimicry failed to have its desired effect.

ECONOMIST: A look at noteworthy articles from business journals

He says the issue of ownership is not up for negotiation but has also called for more dialogue with Beijing.

BBC: China 'to survey disputed East China Sea islands'