The beauty of containment was that it provided a seemingly easy guide for policy makers , telling them what was important and what was not , what was a threat and what was not , where they should put their resources and where they should not 遏制政策的妙处就在:它提供制订政策的人一个似乎易于遵行的指导原则,告诉他们什么重要,什么不重要;什么是威胁,什么不是;资源应在何处使用,应有尽在何处撙节。