防患用英语怎么说？

防患

例句

• I do not want drugs in this school. It’s essential that we nip the problem in the bud so I want a meeting with all the parents next week. 我不希望学校里出现毒品。关键在于防患于未然，下周我要召开全体家长会。
• The municipal government will do something about the firetraps in the city. 市府将对城里容易失火的建筑物采取防患措施.
• Do we try and prevent problems or do we try and pick up the pieces afterwards?... 我们是想要防患未然呢，还是想要事后收拾残局？
• The British never awaken to peril until it is almost too late. 英国人从来不懂得防患于未然。
• The fears have prompted several countries to embark on massive armament plans. 几个国家开始实施大规模的军备计划,以防患于未然。