您已经通过实施定期备份计划使您的组织免遭灾难。
You've protected your organization against catastrophe by implementing a regular backup plan.
天气预报很有用，你能根据它决定是否出游，它还能保护人们免遭灾害，它已经救了很多人的性命。
It is very useful. You can decide whether you should travel or not. And it can protect the people from disasters, and it had saved so many people's lives.
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