I am confident that China will quickly overcome the cosequences of the tragic event and help restore its people 's confidence and resoluteness in facing such unforeseen disaster.

我相信中国将很快克服困难并帮助人民重建信心面对不可预见的灾难。

He knew clearly that, unless some unforeseen aid should arrive, he was heading straight toward a disaster.

他清楚地知道，大难要临头了，除非有什么意外的援助。

The company should have a written contingency plan to protect its it systems, which includes a full it disaster recovery plan to prepare for any unforeseen incidents.

该公司应该有书面的应急计划，以保护其IT系统，其中包括一个完整的IT灾难恢复计划，以备任何突发事件。