That is Mario Draghi's self-effacing judgment on the outright monetary transactions (OMT) programme, the promise made by the European Central Bank (ECB) last summer to buy the bonds of struggling euro-area governments.

这是欧洲央行行长德拉吉谦虚的评价。去年夏季，欧洲央行（ECB）许下诺言，要利用直接货币交易政策来购买欧元区经济困难国家的债券。