充分实现这一愿景需要更改现有欧洲条约，或者更可行地，由欧元区成员国达成新条约，如2013年生效的“财政契约 ” 。
Full realization of this vision would require either a change to the existing European treaties or, more feasible, agreement by eurozone members on a new treaty, like the “fiscal compact” that entered into force in 2013.