harmonization
n. 和谐;融洽;悦耳
例句
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。