Legal uncertainty aside, whether the ECB’s decision to pursue QE can be justified ultimately depends on its impact. But, after six months, that impact remains difficult to assess.
抛却不确定性不谈，欧洲央行采取量化宽松的决定是否有道理，最终取决于它的影响。但是，六个月过去了，其影响仍难以评估。