以备不虞
以备不虞以备不虞[yǐ bèi bù yú]1.■be prepared for unforeseen danger; be prepared for any contingency; in order to guard against contingencies; prepare against the time of need; so as to provide against emergencies

以备不虞以备不虞[yǐ bèi bù yú]1.■be prepared for unforeseen danger; be prepared for any contingency; in order to guard against contingencies; prepare against the time of need; so as to provide against emergencies

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