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So not only do we need to deal with threats as they emerge, we have to be thinking in anticipation of future threats, and the things we do have to be things that enable the system to continue to work.
因此，我们不仅需要在威胁出现时应对它们，我们还必须对未来的威胁有所预期，我们所做的事情必须能够使这个系统继续运转。