原理很简单：一个在之前的强地震中断裂的断层带，一旦再次聚集了足够大的压力后，将可能再次引发同等级别的地震。
The principle is simple: a fault segment that has ruptured in a large quake in the past will-once enough strain has again accumulated-likely fail again in a similar-size earthquake.
现在，新型欧元债券的支持者们有另一个目标：他们希望能以此中断国家信誉等级和借贷成本间的联系。这个想法似乎遥不可及。
What advocates of new-style Eurobonds have in mind for the euro area would be even more far-reaching: they wish to sever the link between the creditworthiness of a country and its cost of borrowing.
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