He would like an assurance that other forces will not move into the territory that his forces vacate.
他想要其他部队不会进入他的部队撤出的那个领地的一个保证。
《柯林斯英汉双解大词典》
2
A review of this book in The Times lamented that Mr. Davis had given us no especial assurance that any of the traditional accidents can save us once more.
《泰晤士报》的一篇书评惋惜道：“戴维斯先生并没有向我们保证，任何传统的事故都能再次拯救我们。”
3
There is nothing to guarantee that everybody is willing to make the effort; there is no assurance that the learner will have any adequate return for his toil.