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来源：雅诚德英语网
He managed to recover the contents of both websites, but what lessons are to be learned from this event?
他设法恢复了这两个站点的内容，但是从这个事件中我们应该得到什么教训呢？
He managed to recover the contents of both websites, but what lessons are to be learned from this event?
他设法恢复了这两个站点的内容，但是从这个事件中我们应该得到什么教训呢？