Examples of benefits or costs of the current concentration wave are scanty. Yet it is hard to imagine that the merger of a few oil firms today could re-create the same threats to competition that were feared nearly a century ago in the U.S., when the Standard Oil Trust was broken up.

　　参考译文

　　证明目前这股合并浪潮是带来利益还是付出代价的事例很少。但是很难想象，当今几个石油公司合并了，会再次同样威胁到竞争，在美国近一个世纪前人们就担心这个威胁，那时美国标准石油信托公司被迫解散。

　　【翻译小作业】

　　但是很难想象，当今病毒传播全世界，会再次同样威胁到人类，在2003年人们就担心这个威胁，那时SARS很严重。