It is stuck because the euro zone's dominant powers, France and Germany, agree on the need for greater harmonization within the euro zone, but disagree about what to harmonize.

它之所以陷入僵局，是因为欧元区的主导力量——法国和德国，都认为有必要在欧元区内部加强协调，但他们在协调哪些方面存在分歧。