European policy makers are hamstrung by the unwieldy amalgam of strong and weak states that is the euro zone, where one policy tool clearly does not fit all.

• 由于欧元区成员国存在强弱不齐的混杂状况，欧洲决策着的行动受到牵制，很明显，一项政策工具很难做到适用于所有成员国。