We have to take some measure to defense. 我们不得不采取预防措施。
Consider as many preventive measures as possible. 考虑尽可能多的预防措施。
Experts reminded the public to choose travel must take effective preventive measures. 专家提醒市民，选择出游一定要采取有效的防护措施。
By instituting regular predictive and preventive maintenance, you can spot trouble before it happens and greatly reduce the chances of system failure. 通过设立有秩序的预测和防护措施，可以在故障出现之前就发现隐患，大大降低系统故障的发生率。
