It sounds a bit technical, and it is. But sorting out the relationship between EU members within and outside the eurozone can be done in a fairly short time without new treaties; indeed, progress has already been made on this front.
这听起来有些技术性，确实如此。但厘清加入欧元区和不加入欧元区的欧盟成员地位的关系可以再相当短的时间内解决并且不必修改条约；事实上，在这方面已经有了进展。